<ul data-eligibleForWebStory="false">SharpLink Gaming stock rose over 28% as its Ethereum holdings exceeded $533 million after a series of recent buys.The company purchased an additional 7,689 Ether worth $19 million between June 28 and July 4, driving its total holdings to 205,634 Ether.SharpLink's stock price closed at $16.29 per share on Tuesday, marking a 28.6% increase, and continued to climb after hours.The company plans to use $64 million in net proceeds from share sales to acquire more Ether and has committed all its Ether holdings to staking.