Ten stocks fell sharply on Monday, dragged by a broader market pessimism thanks to the renewed tensions between the US and Iran.

The stocks fell alongside Wall Street’s three major indices, with the Nasdaq down the most by 1.88 percent, followed by the S&P 500 losing declining 0.79 percent, and the Dow Jones, down 0.26 percent.

In this article, we focus on the 10 worst-performing stocks on Monday and break down the reasons behind their drop.

To come up with the list, we considered only the stocks with a $2 billion market capitalization and 5 million shares in trading volume.

10. Credo Technology Group Holding Ltd (NASDAQ:CRDO)

Credo Technology dropped its share prices by 8.11 percent on Monday to close at $236.88 apiece, as investors turned pessimistic anew amid the escalating tensions between the US and Iran.

Over the weekend, President Donald Trump announced the reinstatement of Iranian blockade, and later ordered the launch of strikes against Tehran after the latter struck two UAE tankers in Omani territorial waters, claiming the life of one crew member.

Trump, however, cleared that other countries’ ships and cargoes passing the Strait will be safeguarded by the US, in exchange for a 20-percent reimbursement for the use of US military resources to patrol and secure the region.

Credo Technology Group Holding Ltd (NASDAQ:CRDO) declined alongside Wall Street’s three major indices, triggered by a combination of profit-taking and risk-mitigation activities.

In other news, the selloff can be partly attributed to its chief finance officer’s (CFO) disposition of $1.86 million worth of shares in the company in a series of transactions last Wednesday, July 8.

According to a regulatory filing, Credo Technology Group Holding Ltd (NASDAQ:CRDO) CFO Daniel Fleming sold 7,580 shares at prices ranging from $240.6083 to $249.6092 apiece.

The sales reported were effected pursuant to a trading plan adopted by Fleming on January 12, 2026.

9. Bitdeer Technologies Group (NASDAQ:BTDR)

Bitdeer Technologies dropped its share prices by 8.73 percent on Monday to finish at $13.23 apiece, as investors moved to mitigate risks from the re-escalating tensions between the US and Iran.

Investors fled the markets for safety, dampening prices of Bitcoin and high-growth industries in the US markets, while taking advantage of their gains.

In other news, Bitdeer Technologies Group (NASDAQ:BTDR) announced last week that it is investing $36 million for the development of a new advanced electronics manufacturing facility in Sparks, Nevada.

Featuring 187,000 square foot of land area, the facility is expected to boost the company’s domestic manufacturing and assembly footprint and complement its existing US data centers and innovation hub in San Jose, California.

The new facility is targeted for completion in the end of 2026 and is expected to produce 10,000 units of Bitdeer Technologies Group’s (NASDAQ:BTDR) Sealminer computing hardware each month.

“The Sparks facility reflects our strategy to strengthen supply chain resilience while being closer and more responsive to onshore customers,” said Paul Hanson, chairman of Bitdeer Industrial.

“Producing our advanced Sealminer units right here in Nevada reflects our long-term commitment to building capacity and nurturing the talent necessary to support our growing digital infrastructure operations in America,” he noted.

8. Cipher Digital Inc. (NASDAQ:CIFR)

Cipher Digital saw its share prices decline by 9.16 percent on Monday to close at $20.08 apiece, mirroring the selloff in the broader market amid the renewed tensions between the US and Iran.

The stock fell alongside Wall Street’s three major indices, with the Nasdaq leading the drop by 1.88 percent, followed by the S&P 500, shedding 0.79 percent, and the Dow Jones, down 0.26 percent.

Over the weekend, President Donald Trump announced the reinstatement of Iranian blockade in the Strait of Hormuz, and later ordered the launch of missile strikes.

While Trump clarified that the blockade would not affect shipments and cargoes from other countries, markets remained cautious over the impact of the war which have earlier this year sent prices of oil and gas surging to fresh peaks.

Macroeconomic uncertainties aside, the decline in shares of Cipher Digital Inc. (NASDAQ:CIFR) can also be partly attributed to the company’s lack of developments to boost buying appetite.

In other news, Cipher Digital Inc. (NASDAQ:CIFR) is expected to announce the results of its earnings performance in the second quarter of the year in the first week of August 2025, based on its historical earnings reporting dates.

7. IonQ Inc. (NASDAQ:IONQ)

IonQ extended its losing streak to a 9th consecutive day on Monday, dropping 9.29 percent to close at $38.88 apiece, as investors unloaded portfolios rapidly-growing industries amid a broader market pessimism.

IonQ Inc. (NASDAQ:IONQ) fell alongside its counterparts, namely Infleqtion, D-Wave Quantum, and Rigetti Computing Inc., among others, with the selloff partly triggered by the renewed tensions between the US and Iran.

Over the weekend, President Donald Trump announced the reinstatement of Iranian blockade in the Strait of Hormuz, weeks after the two nations negotiated to make way for a peace deal.

The two countries launched missile strikes anew, triggering worries among investors anew over the prolonged economic impact of the war.

For IonQ Inc. (NASDAQ:IONQ), the past nine trading days has already slashed its value by 27.8 percent.

IonQ Inc. (NASDAQ:IONQ) is a company engaged in delivering integrated quantum solutions across computing, networking, sensing, and security.

Last month, it introduced a new addition to its Clavis XG Quantum Key Distribution (QKD) portfolio designed to make quantum security even more practical and deployable across metropolitan fiber networks.

Called the Clavis XG Multiplex, the product line is said to be capable of enabling high-performance, physics-based key distribution on a customer’s existing network infrastructure without requiring operators to redesign, isolate or dedicate optical networks for quantum security at a lower cost.

6. Infleqtion Inc. (NYSE:INFQ)

Infleqtion kicked off the trading week losing 9.31 percent to close at $10.13 apiece, mimicking the decline in the broader market as investors unloaded portfolios to minimize risks from the renewed tensions between the US and Iran.

President Donald Trump over the weekend announced the reinstatement of Iranian blockade in the Strait of Hormuz, weeks after Washington tried to negotiate with Tehran to officially end the months-long war.

However, the two countries exchanged missile strikes anew, dampening hopes for a peace deal between the two nations and triggering fears over the economic impact of the prolonged war.

It can be learned that global economies have heavily suffered from the impact of soaring prices of crude oil and gas earlier this year after a shortage of the said commodities during the closure of the Strait of Hormuz.

Economic uncertainties aside, Infleqtion Inc. (NYSE:INFQ) earlier this year was named among the companies benefitting from the US government’s $2 billion investment program to support the country’s leadership in quantum computing.

Infleqtion Inc. (NYSE:INFQ) alone received $100 million in fresh funds to support the development of underlying engineering systems and integration requirements for large-scale neutral-atom-based quantum computers and architectures, including high-powered optical systems, novel readout and error correction systems.

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