Profusa, Baidu, Amylyx Pharmaceuticals, FreeCast, and Klarna Group: 5 Stocks in Focus Today

Stock markets fell today, with the Nasdaq down 1.33% to 26,289.71. Meanwhile, the S&P 500 declined 0.69% to 7,691.76, and the Dow Jones Industrial Average slipped 0.22% to 53,343.40. Bond yields remained at multi-decade highs, contributing to the broader market decline.

Despite the pressure on the broader market, several stocks still attracted the attention of investors and traders. Here are the stocks that garnered the most retail and investor interest throughout the day.

Profusa

Profusa shares surged 506.62%, closing at $27.48. The stock hit an intraday high of $28.32 and a low of $8.58, with a 52-week high of $5,190.01 and a low of $3.22. In after-hours trading, the stock fell 35.04% to $17.85.

The dramatic rally followed the company's announcement of a 1-for-4 reverse stock split, which had a significant impact on its share price.

Baidu

Baidu shares fell 12.73%, closing at $90.87. The stock traded between an intraday high of $97.44 and a low of $89.60. Over the past 52 weeks, the stock has ranged from $165.30 to $84.82.

Baidu reported second-quarter revenue of RMB 31.3 billion, down 4% year-over-year and missing estimates, while adjusted earnings per share of RMB 7.22 also fell short of expectations, as online marketing revenue declined 19%. AI remained a growth driver, with AI cloud infrastructure revenue up 50% to RMB 7.3 billion and GPU cloud revenue surging 283%, but higher capital expenditures pushed free cash flow to negative RMB 7.95 billion.

Amylyx Pharmaceuticals

Amylyx Pharmaceuticals shares rose 63.84%, closing at $35.11. The stock hit an intraday high of $35.39 and a low of $28. The 52-week high is $35.39 and the low is $7.63.

The gain followed the company's release of positive top-line data from its Phase 3 LUCIDITY clinical trial, which evaluated avexitide in patients with post-bariatric hypoglycemia.

FreeCast

FreeCast shares soared 144.24%, closing at $2.10. The stock traded between an intraday high of $2.30 and a low of $0.86. Over the past year, the stock has ranged from $33 to $0.50. In after-hours trading, the stock rose 32.86% to $2.79.

The sharp rally came as the company expanded its media portfolio, including plans to launch a 24-hour global free ad-supported streaming television network.

Klarna Group

Klarna shares fell 22.81%, closing at $15.06. The stock traded between an intraday high of $16.18 and a low of $15.01. Over the past 52 weeks, the stock has ranged from $57.20 to $12.06. In after-hours trading, shares rose 1.53% to $15.29.

Klarna reported second-quarter adjusted operating income of $91 million, up 214% year-over-year, with revenue up 27% to $1.04 billion and gross merchandise volume up 18% to $36.6 billion, beating expectations. However, the company lowered its 2026 gross merchandise volume outlook to $149 billion to $151 billion and forecast revenue of $4.08 billion to $4.16 billion, below analyst estimates of $4.42 billion, citing persistent weakness in German consumer spending. Edge stock rankings show Baidu shares with a momentum score in the 12th percentile and a value score in the 95th percentile.