SharpLink Gaming stock surged 14.6% in overnight trading, extending its impressive monthly gain to over 190%. Shares rallied over 21% in regular session.

The dramatic rise comes after the company announced it had become the world's largest corporate holder of Ethereum (ETH), a major cryptocurrency.

According to the announcement made on July 15, 2025, SharpLink Gaming now holds 285,894 ETH, valued at approximately $8.7 billion. The company aggressively expanded its holdings between July 7 and July 13, acquiring 74,656 Ethereum tokens at a weighted average price of $2,852 per token. This strategic move positions SharpLink Gaming ahead of other corporate accumulators in the digital asset space and even surpasses the Ethereum Foundation's holdings.

MP Materials stock rose 4% in overnight trading. Shares gained 20% in regular session, closing at $58.22, a record closing high.

Tuesday, the rare-earth metals miner announced that Apple has made a $500 million commitment to purchase recycled rare-earth magnets from it.

Circle Internet stock dropped about 2% in overnight trading. Shares fell 4.6% in regular session.

The fate of long-awaited cryptocurrency legislation in the U.S. Congress was cast into doubt Tuesday, as a procedural vote to consider the measures was shot down by lawmakers from both parties, and shares of some companies in the sector fell.