VisionSys AI stock plunged as much as 57% after the company unveiled plans to build a Solana (SOL) treasury of up to $2 billion, initially targeting $500 million in SOL purchases and staking within six months via a partnership with Solana DeFi protocol Marinade Finance. Shares rebounded modestly intraday but remained sharply lower as investors weighed balance-sheet risk and execution questions around funding such a large crypto position.

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