U.S. stocks were mixed, with the Dow Jones index gaining more than 200 points on Tuesday.

Shares of United States Antimony Corporation (NYSE:UAMY) rose sharply during Tuesday's session after the company announced it secured a $245 million sole-source contract by the U.S. Defense Logistics Agency Strategic Materials for the purchase of antimony ingots to replenish the U.S. National Defense Stockpile.

United States Antimony shares jumped 18.8% to $7.66 on Tuesday.

Here are some other big stocks recording gains in today’s session.

• Better Home & Finance Holding Company (NASDAQ:BETR) shares jumped 27.7% to $63.85 after investor Eric Jackson recently said his firm holds a long position.
• 3D Systems Corporation (NYSE:DDD) shares surged 16.2% to $2.9044.
• POET Technologies Inc. (NASDAQ:POET) gained 15.5% to $5.96.
• BigBear.ai Holdings, Inc. (NYSE:BBAI) rose 15.5% to $8.18.
• Crane NXT, Co. (NYSE:CXT) rose 14.4% to $64.62. Crane NXT expects high single digit revenue growth in its U.S. currency business in 2026.
• PDF Solutions, Inc. (NASDAQ:PDFS) surged 13% to $25.48 after the company announced a multi-year agreement to expand a prior contract.
• Transocean Ltd. (NYSE:RIG) gained 11.5% to $3.7800.
• Forward Industries, Inc. (NASDAQ:FORD) jumped 10.7% to $30.89.
• CleanSpark, Inc. (NASDAQ:CLSK) gained 9.3% to $15.02 after the company expanded its bitcoin-backed credit facility with Coinbase Prime by $100 million.
• American Battery Technology Company (NASDAQ:ABAT) gained 9% to $4.0950.
• Pony AI Inc. (NASDAQ:PONY) rose 8.7% to $22.35.
• Halliburton Company (NYSE:HAL) gained 7.6% to $24.32.
• Helmerich & Payne, Inc. (NYSE:HP) rose 7.3% to $22.79.
• McKesson Corporation (NYSE:MCK) gained 6.5% to $742.32 after the company raised its FY2026 adjusted EPS guidance.

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