Group 1 - Helius Medical Technologies, Inc. announced a purchase of 760,000 SOL for $175.60 million, leading to an 8.55% increase in after-hours trading [2][5] - The company currently holds over $335 million in cash, which it plans to use for future acquisitions [2] - The acquisition follows a recent $500 million funding from Pantera Capital and Summer Capital, indicating strong interest in digital assets among Wall Street firms [3] Group 2 - Helius Medical's stock has increased by 157% over the last month, despite a 33.61% drop during the regular trading session prior to the announcement [5] - The current price of SOL is $215.95, reflecting a 6.85% decrease in the last 24 hours [4] - Forward Industries Inc. and DeFi Development Corp. are leading the market in digital asset reserves, holding $1.46 billion and $451.39 million respectively [4]