Profusa, Baidu, Amylyx Pharmaceuticals, FreeCast and Klarna Group: Why These 5 Stocks Are on Investors' R

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The stock market experienced a downturn today, with the Nasdaq falling 1.33% to 26,289.71. Meanwhile, the S&P 500 decreased by 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 market’s overall decline.

Despite the broader market’s struggles, several stocks captured the attention of investors and traders. These are the top stocks that gained the attention of retail traders and investors through the day.

Profusa, Inc.  (NASDAQ: PFSA )

Profusa’s stock surged 506.62%, closing at $27.48. The stock reached 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 the after-hours session, the stock dropped 35.04% to $17.85.

The dramatic rise follows the company’s announcement of a 1-for-4 reverse stock split, which has significantly impacted its share price.

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Baidu Inc.  (NASDAQ: BIDU )

Baidu’s shares fell 12.73%, ending the day at $90.87. The stock’s intraday high was $97.44, and its low was $89.60. Over the past 52 weeks, it has ranged from $165.30 to $84.82.

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Baidu reported second-quarter revenue of RMB 31.3 billion ($4.62 billion), down 4% year over year and below estimates , while adjusted EPS of RMB 7.22 ($1.06) also missed expectations as online marketing revenue fell 19%. AI remained a growth driver, with AI Cloud Infrastructure revenue rising 50% to RMB 7.3 billion ($1.08 billion) and GPU Cloud revenue surging 283%, though higher capital spending pushed free cash flow to negative RMB 7.95 billion ($1.18 billion).

Amylyx Pharmaceuticals Inc.  (NASDAQ: AMLX )

Amylyx Pharmaceuticals saw a 63.84% increase, closing at $35.11. The stock’s intraday high was $35.39, and the low was $28. It reached a 52-week high of $35.39 and a low of $7.63.

The surge follows the release of positive topline data from its Phase 3 LUCIDITY clinical trial, which evaluated avexitide for patients with post-bariatric hypoglycemia.

FreeCast Inc.  (NASDAQ: CAST )

FreeCast’s stock skyrocketed 144.24%, closing at $2.10. The stock’s intraday high was $2.30, with a low of $0.86. Over the past year, it has ranged from $33 to $0.50. In after-hours trading, the stock shot up 32.86% to $2.79.

The sharp rise follows the company’s  expansion of its media portfolio , including plans to launch a 24/7 global Free Ad-Supported Streaming Television network.

Klarna Group plc  (NYSE: KLAR )

Klarna’s shares dropped 22.81%, closing at $15.06. The stock’s intraday high was $16.18, with a low of $15.01. Over the past 52 weeks, it has ranged from $57.20 to $12.06. The shares rose 1.53% to $15.29 in extended trading.

Klarna reported second-quarter adjusted operating income of $91 million, up 214% year over year, while revenue rose 27% to $1.04 billion and Gross merchandise volume increased 18% to $36.6 billion, beating estimates. However, the company lowered its 2026 GMV outlook to $149 billion-$151 billion and forecast revenue of $4.08 billion-$4.16 billion, below the $4.42 billion analyst estimate, citing persistent weakness in German consumer spending.

Benzinga Edge Stock Rankings indicate  Baidu stock  has a Momentum score in the 12th percentile and Value score in the 95th percentile.

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