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10 Stocks With Surprising Gains. Time to Sell?

Ten stocks soared higher in just the past five trading days of the week, despite an overall market pessimism that saw Wall Street’s main indices on a bloodbath, dragged by the United States’ new round of tariffs against all trading partners.

In this article, we highlight the names of the 10 companies that stood stronger last week and break down the reasons behind their gains.

To compile the list, we focused on stocks with more than $2 billion in capitalization and 5 million shares in trading volume. The stocks were chosen based on their price differences between last Friday, August 1, and the Friday before, or last July 25.

A trader cheers his market gains. Photo by Tima Miroshnichenko on Pexels

10. Carvana Co. (NYSE:CVNA)

Shares of Carvana Co. jumped by 10.74 percent week-on-week to hit a new all-time high after boasting a strong earnings performance in the second quarter of the year, thanks to auto tariffs on new vehicles that shifted consumer demand to used cars.

On Thursday, Carvana Co. (NYSE:CVNA) said net income during the period climbed by 542 percent to $308 million from $48 million in the same period last year, while total revenues increased by 42 percent to $4.84 billion from $3.41 billion. This followed 143,280 units sold during the period, or a 41 percent jump year-on-year.

Last week also saw the company propelled to a new all-time high of $413.33, before paring gains to end Friday’s trading at $367.78.

Despite the strong performance, the company posted a more conservative outlook for the third quarter, saying that “as long as the environment remains stable,” it would expect a sequential increase in retail units sold, with adjusted EBITDA range of $2 billion to $2.2 billion for full-year 2025, versus $1.38 billion last year.

9. Western Digital Corporation (NASDAQ:WDC)

Western Digital saw its share prices jump by 11.23 percent week-on-week as investors cheered its strong earnings performance in the fourth quarter of fiscal year 2025.

In an updated report, the company said it swung to a net income attributable to shareholders of $243 million from a $256 million net loss in the same period last year, as revenues grew by 30 percent to $2.6 billion from $2 billion year-on-year.

For the full fiscal year, Western Digital Corporation (NASDAQ:WDC) registered an attributable net income of $1.6 billion, reversing an $819-million net loss a year ago. Net revenues amounted to $9.5 billion, marking a 50.8-percent jump from the $6.3 billion year-on-year.

“Western Digital executed well in its fiscal fourth quarter, achieving revenue and gross margin above the high end of our guidance range while delivering strong free cash flow,” said CEO Irving Tan.

For full fiscal year 2026, Western Digital Corporation (NASDAQ:WDC) expects revenues to settle between $2.6 billion to $2.8 billion with gross margin between 41 and 42 percent.

It also declared a cash dividend amounting to $0.10 to all common shareholders as of September 4 record. The dividends will be paid on September 18, 2025.

8. Corning Inc. (NYSE:GLW)

Corning Inc. grew its share prices by 12.08 percent week-on-week as investor sentiment was bolstered by an outstanding earnings performance and an optimistic outlook.

Based on its updated report, Corning Inc. (NYSE:GLW) expanded its net income by 351 percent in the second quarter to $469 million from the $104 million in the same period last year. Net sales also increased by 19 percent to $3.86 billion from $3.25 billion year-on-year.

According to the company, the jump was primarily driven by key secular trends and its ‘More Corning’ content strategy which helped drive demand.

Encouraged by the results, Corning Inc. (NYSE:GLW) raised its growth outlook for the rest of the year, with both sales and earnings expected to grow by double digits year-on-year.

Core sales were pegged at $4.2 billion while EPS was targeted at a range of $0.63 to $0.67.

“Third quarter guidance factors in about $0.01 to $0.02 for the impact of currently enacted tariffs, along with $0.02 to $0.03 of temporarily higher cost as production ramps to meet increased demand for new Gen AI and US-made solar products,” Corning Inc. (NYSE:GLW) said.

7. eBay Inc. (NASDAQ:EBAY)

Ecommerce platform eBay Inc. (NASDAQ:EBAY) jumped by 12.66 percent week-on-week to hit a new all-time high as investor sentiment was boosted by an impressive earnings performance and an optimistic growth outlook for the rest of the year.

During the week, the company touched its highest 52-week price of $92.79 after reporting a 64 percent growth in its net income in the second quarter, at $368 million versus $224 million in the same period last year. Revenues jumped by 6 percent to $2.73 billion from $2.57 billion year-on-year.

Following the results, eBay Inc. (NASDAQ:EBAY) raised its growth outlook for the third quarter of the year to a range of $2.69 billion and $2.74 billion, or an increase of 4 to 6 percent from the $2.576 billion actual revenue in the third quarter of 2024.

Diluted earnings per share was also pegged at $0.97 to $1.02, lower than the $1.29 posted in the third quarter of 2024.

On September 12, all shareholders of eBay Inc. (NASDAQ:EBAY) common shares as of August 29 record are expected to receive $0.29 worth of cash dividends.

6. nVent Electric plc (NYSE:NVT)

nVent Electric grew its share prices by 14.45 percent week-on-week as investor sentiment was boosted by an optimistic outlook for the year.

Encouraged by strong sales and order volumes during the past quarters, nVent Electric plc (NYSE:NVT) raised its sales growth for full-year 2025 to 24 to 26 percent, from the 19 to 21 percent projected previously.

The new guidance range represents 8 to 10 percent organic sales growth versus prior guidance of 5 to 7 percent.

Full-year GAAP EPS was also pegged at $2.48 to $2.56 while adjusted EPS was projected to hit $3.22 to $3.30. These compare with previous guidance of $2.48 to $2.58 on a GAAP basis, and adjusted EPS of $3.03 to $3.13.

In the third quarter alone, sales were targeted to hit 27 to 29 percent, with organic sales growth of 11 to 13 percent.

GAAP EPS was targeted at $0.67 to $0.69, while adjusted EPS was expected at $0.86 to $0.88.

In the first half of the year, net income jumped by 117 percent to $470.2 million from $216.1 million in the same period last year, while revenues grew by 20 percent to $1.77 billion from $1.47 billion year-on-year.

Net income in the second quarter, however, dipped by 1.3 percent to $109.5 million from $111 million year-on-year, while revenues increased by 30 percent to $963.1 million from $739.8 million year-on-year.

5. Chart Industries, Inc. (NYSE:GTLS)

Chart Industries jumped by 15.70 percent week-on-week over twin news of a $13.6 billion merger with Baker Hughes and an impressive earnings performance in the past quarter of the year.

In an official statement last week, Baker Hughes said it entered into a definitive agreement with Chart Industries, Inc. (NYSE:GTLS) for the full acquisition of its outstanding shares at a price of $210 apiece. The price suggested a 5.6 percent upside from its closing price of $198.75 on Friday.

According to Baker Hughes, the transaction is expected to be completed in the middle of next year and will be subject to approvals of regulators and its shareholders.

Meanwhile, Chart Industries, Inc. (NYSE:GTLS) announced in a separate statement that it grew its net income attributable to shareholders in the second quarter of the year by 34 percent to $69.3 million from $51.8 million in the same period last year. Sales amounted to $1.08 billion, higher by 4 percent than the $1.04 billion year-on-year.

For the first half, attributable net income nearly doubled to $112 million from $56.3 million, while sales inched up by 4.5 percent to $2.08 billion from $1.99 billion.

4. Applied Digital Corporation (NASDAQ:APLD)

Applied Digital grew its share prices by 16.46 percent in just the past five days of trading, as investors cheered its expanded collaboration with CoreWeave Inc. that would hike the two firms’ contract to as much as $11 billion.

This followed CoreWeave Inc.’s (NASDAQ:CRWV) exercise of an option to add another 150 MW of critical IT load capacity from Applied Digital Corporation (NASDAQ:APLD), on top of the 250 MW signed earlier, effectively bringing the total capacity to 400 MW.

According to Applied Digital Corporation (NASDAQ:APLD), the first 100 MW facility is scheduled to be operational in the fourth quarter of the year, to be followed by a 150 MW capacity in the middle of next year, and the third 150 MW in 2027.

Meanwhile, Applied Digital Corp. (NASDAQ:APLD) narrowed its net loss attributable to shareholders in the fourth quarter ending May 2025 by 16 percent to $53.9 million from $64.7 million in the same period last year. Total revenues increased by 41 percent to $38 million from $26.9 million year-on-year.

3. Indivior PLC (NASDAQ:INDV)

Indivior PLC soared by 22.81 percent week-on-week as investors took heart from its impressive earnings performance and a higher growth outlook for the year.

In an updated report last week, Indivior PLC (NASDAQ:INDV) said that it swung to a net income of $18 million in the second quarter of the year from a $97 million net loss in the same period last year. Net revenues inched up by 1 percent to $302 million from $299 million year-on-year, thanks to a strong performance in its Sublocade drug, supported by stable prices from its Suboxone drugs.

For the first half, Indivior PLC (NASDAQ:INDV) recorded a $65 million net profit, reversing a $36 million net loss in the same period last year. Revenues, however, dipped by 2.6 percent to $568 million from $583 million year-on-year.

Following the promising results, the company raised its net revenue guidance for full year 2025, now at a range of $1.03 billion to $1.08 billion, versus the $955 million to $1.025 billion previously.

2. Reddit, Inc. (NYSE:RDDT)

Reddit saw its share prices surge by 26.04 percent week-on-week as investors took heart from a strong earnings performance in the second quarter of the year.

In its updated report, Reddit, Inc. (NYSE:RDDT) said it swung to a net income of $89 million from a $10 million net loss in the same period last year, while revenues expanded by 78 percent to $500 million from $281 million year-on-year.

In terms of market share, the US contributed $409 million, marking a 79-percent increase year-on-year, while the international market amounted to $91 million, or a 71-percent jump from a year earlier.

For the third quarter of the year, Reddit, Inc. (NYSE:RDDT) is targeting to hit $535 million to $545 million in revenues, or a 53 percent to 56 percent surge from the $348.4 million actual revenues in the third quarter of 2024.

“Reddit is built for this moment. In a world where connection is increasingly rare, our communities show how valuable human conversation and knowledge really are,” Reddit, Inc. (NYSE:RDDT)Co-Founder and CEO Steve Huffman said.

“We’re focused on growing globally, scaling sustainably, and making Reddit the most trusted place on the internet.”

1. Alphatec Holdings, Inc. (NASDAQ:ATEC)

Alphatec Holdings jumped by 27.26 percent week-on-week as investor sentiment was bolstered by a higher growth outlook despite a weak earnings performance in the second quarter of the year.

For full year 2025, Alphatec Holdings, Inc. (NASDAQ:ATEC) said it now expects revenues to grow by 21 percent to $742 million, as compared with the $734 million expected previously. This includes surgical revenue of $666 million and EOS revenue of $76 million.

Meanwhile, adjusted EBITDA is now expected at $83 million, as compared with the $78 million expected previously.

In the second quarter, however, Alphatec Holdings, Inc. (NASDAQ:ATEC) widened its net loss by 1.13 percent to $41.18 million from $40.68 million in the same period last year. This pushed its six-month net loss higher by 4.49 percent at $93 million versus $89 million year-on-year.

In the second quarter, revenues increased by 27 percent to $185 million from $145 million, while revenues for the first six months increased by 25 percent to $354.7 million from $284 million year-on-year.

READ NEXT: 20 Best AI Stocks To Buy Now and 30 Best Stocks to Buy Now According to Billionaires.

Disclosure: None. Insider Monkey focuses on uncovering the best investment ideas of hedge funds and insiders. Please subscribe to our free daily e-newsletter to get the latest investment ideas from hedge funds’ investor letters by entering your email below.

The $250 Trillion AI Hype is Real. A few years from now, you’ll probably wish you’d bought this stock.

Dr. Inan Dogan

Dr. Ian Dogan

Co-Founder and Research Director at Insider Monkey

When Jeff Bezos said that one breakthrough technology would shape Amazon’s destiny, even Wall Street’s biggest analysts were caught off guard.

Fast forward a year and Amazon’s new CEO Andy Jassy described generative AI as a “once-in-a-lifetime” technology that is already being used across Amazon to reinvent customer experiences.

At the 8th Future Investment Initiative conference, Elon Musk predicted that by 2040 there would be at least 10 billion humanoid robots, with each priced between $20,000 and $25,000.

Do the math. According to Musk, this technology could be worth $250 trillion by 2040.

Put another way, that’s roughly equal to:

  • 175 Teslas
  • 107 Amazons
  • 140 Metas
  • 84 Googles
  • 65 Microsofts
  • And 55 Nvidias

And here’s the wild part — this $250 trillion wave isn’t tied to one company, but to an entire ecosystem of AI innovators set to reshape the global economy.

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Even if that $250 trillion figure sounds ambitious, major firms like PwC and McKinsey still see AI unlocking multi-trillion-dollar potential.

How could anything be worth that much?

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  • Bill Gates sees artificial intelligence as the “biggest technological advance in my lifetime,” more transformative than the internet or personal computer, capable of improving healthcare, education, and addressing climate change.
  • Larry Ellison — through Oracle, is spending billions on Nvidia chips and partnering with Cohere to embed generative AI across Oracle’s cloud and apps.
  • Warren Buffett — not known for tech hype — says this breakthrough could have a ‘hugely beneficial social impact.

When billionaires from Silicon Valley to Wall Street line up behind the same idea — you know it’s worth paying attention to.

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Dr. Inan Dogan

Dr. Ian Dogan

Co-Founder and Research Director at Insider Monkey

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