Riot Platforms is trading 10.25% down at $16.64 as Bitcoin and Ethereum declines weigh on crypto-linked stocks. - Bitcoin is down 2.76% and Ethereum 5.77% since the prior close. - Oil-price and Treasury-yield pressures, risk aversion and lower U.S. indexes have also weighed on crypto markets. - No Riot-specific catalyst was confirmed for October 8; a report said none had been confirmed for the preceding decline. Crypto losses provide context but do not fully explain the stock’s larger drop.