Top Stock Movers Today: AI, IPOs, and Corporate News Fuel Significant Gains

Font: Financial Modeling Prep  • Jul 24, 2026

• AI Data Center Expansion: STAK Inc. (NASDAQ: STAK) surged over 590% on plans for a U.S. subsidiary developing power generation systems for AI data centers.
• Successful IPO Debut: Scribe Therapeutics Inc. (NASDAQ: SCTX) saw a strong market debut, rising over 46% after its initial public offering.
• Strong Earnings and Strategic Moves: RingCentral, Inc. (NYSE: RNG) climbed over 25% on better-than-expected earnings, while 707 Cayman Holdings Limited (NASDAQ: JEM) gained over 33% following a share consolidation.

The stock market saw several stocks make large gains today. The top movers include STAK Inc., Scribe Therapeutics Inc., Safety Insurance Group, Inc., 707 Cayman Holdings Limited, and RingCentral, Inc.. These companies experienced significant price increases driven by specific corporate news, a new market debut, and unusually high trading volumes, showing strong investor interest in their recent activities.

STAK Inc. led the market with a 596% price increase to $9.27. Its trading volume was massive at over 55.37 million shares. As highlighted by PR Newswire, STAK Inc. announced plans to form a U.S. subsidiary. This new business will develop power generation systems for AI data centers, a high-growth area attracting investors.

Scribe Therapeutics Inc. had a strong first day of trading, rising 46.67% to $22.00. The company's initial public offering (IPO), where it first sells shares to the public, was priced at $15.00 per share, as reported by GlobeNewswire. This successful debut shows investor confidence in its genetic medicine technology.

707 Cayman Holdings Limited saw its stock rise 33.97% to $6.35. As noted by GlobeNewswire, the company performed a 12-for-1 share consolidation. This action reduces the total number of shares to increase the price of each share. Meanwhile, Safety Insurance Group, Inc. gained 41.49% to $103.20, but the reason is unclear.

RingCentral, Inc. shares climbed 25.09% to $48.31 on a volume of 8.86 million. As highlighted by Zacks, the company reported second-quarter earnings that were better than expected. This performance was driven by growth in subscriptions and the adoption of its AI tools. In summary, today's top gains were linked to clear company-specific events.