The Securities and Exchange Commission delayed its decision on several bitcoin exchange-traded fund applications, according to a string of filings late Thursday. BlackRock, Fidelity and Invesco must now wait until October for a ruling on their bitcoin ETF applications. Elsewhere, a judge could postpone the criminal fraud trial for former FTX CEO Sam Bankman-Fried. Bitcoin erased gains from its Tuesday rally. X The SEC said it needs a longer period to evaluate spot bitcoin ETF applications for Bitwise, VanEck, Fidelity's Wise Origin, Valkyrie Digital Assets, Invesco (IVZ), WisdomTree (WT) and BlackRock (BLK). It set new deadlines between Oct. 16 and…