** Shares of drug developer Hoth Therapeutics HOTH.O rise 16% to $1.86 premarket
** Co in a filing says its board has approved an expansion of its digital asset strategy
** Co to invest up to $1 million in Bitcoin, Ethereum and Solana as part of its treasury reserves
** The total cost of any purchases will be capped at 20% of its cash on hand at the time of investment, co says
** As of last close, stock up more than double YTD
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com;))