5 Most Profitable Stocks to Invest In

In this article, we will list the 5 Most Profitable Stocks to Invest In. Please visit 12 Most Profitable Stocks to Invest In if you would like to see the extended list and the methodology behind it.

5. Aon plc (NYSE:AON)

On May 21, 2026, Morgan Stanley analyst Bob Huang lowered the firm’s price target on Aon plc (NYSE:AON) to $370 from $380 and maintained an Overweight rating on the shares. Huang noted that most property and casualty insurance companies saw slower premium growth but substantial underwriting profit in Q1, while expecting pricing and premiums to deteriorate further. Morgan Stanley adjusted targets for the group following the Q1 earnings season.

Meanwhile, Piper Sandler raised the firm’s price target on Aon plc (NYSE:AON) to $388 from $355 and maintained an Overweight rating on the shares. Piper Sandler said quarterly revenue was better than expected, while organic growth was essentially in line with consensus but slightly below the firm’s expectations. The firm also noted better-than-expected adjusted operating margin and said Aon had a solid quarter, with results holding up relatively well.

Earlier in May, Aon plc (NYSE:AON) reported Q1 adjusted EPS of $6.48, ahead of the consensus estimate of $6.35. Revenue totaled $5.03B, above the consensus estimate of $4.98B. President and CEO Greg Case said the quarter reflected continued execution of the company’s 3×3 Plan and progress on its Aon United strategy, citing 5% organic revenue growth, operating margin expansion, and significant free cash flow.

Aon plc (NYSE:AON) operates as a professional services firm across the United States, the rest of the Americas, the United Kingdom, Ireland, the rest of Europe, the Middle East, Africa, and the Asia Pacific.