Top Stock Market Gainers: Autonomix Medical (NASDAQ: AMIX), Palantir Technologies (NYSE: PLTR) ETFs, and Inuvo (NYSE: IBTA)

Font: Financial Modeling Prep  • Aug 04, 2026

• Autonomix Medical (NASDAQ: AMIX) surged over 400% following a significant patent acquisition for cancer technology.
• Leveraged Palantir Technologies (NYSE: PLTR) ETFs experienced substantial gains.
• Ibotta, Inc (NYSE: IBTA) saw a strong rise after reporting robust second-quarter revenue growth exceeding guidance.

Several companies saw major stock price movements today. The market's top gainer was Autonomix Medical, which surged 434.25% to close at $19.50. This significant price jump follows the company's successful acquisition of U.S. Patent No. 12,433,670, a key technology related to cancer. Investor interest was high, with a trading volume of over 114 million shares and a daily range between $5.24 and $24.68.

Autonomix Medical is a medical device company developing technology to sense and treat disorders of the peripheral nervous system. Its platform uses a catheter-based microchip to detect neural signals. The company is currently focused on developing technology for pancreatic cancer patients, as well as for chronic pain management and cardiovascular disorders.

Leveraged exchange-traded funds (ETFs) tracking Palantir Technologies also saw large gains. These funds are designed to amplify the daily performance of a stock. The Leverage Shares 2x Long PLTR Daily ETF (LSE: PLTG) rose 58.13%, the GraniteShares 2x Long PLTR Daily ETF (LSE: PTIR) climbed 58.03%, and the Direxion Daily PLTR Bull 2X Shares (NASDAQ: PLTU) increased by 58.01%.

Another notable gainer was Ibotta, Inc, which rose 51.91% to $37.34. The digital promotions company reported strong second-quarter results, with revenue growth that was higher than its guidance. Management stated this was due to stronger advertiser offer supply and new publisher relationships. The stock traded between $30.47 and $38.00 on a volume of 1.25 million shares.

In summary, the day's top market gains were driven by clear company-specific events. A major patent acquisition fueled the massive rise in Autonomix Medical's stock. Strong earnings results pushed Inuvo's price higher, while anticipation for an upcoming earnings report created significant gains for ETFs linked to Palantir Technologies.