Cipher Mining is trading 4.22% down at $7.61 on October 26, extending a sharp multi-session decline amid AI-infrastructure pressure. - Reporting points to concerns about cash burn and financing needs ahead of its November 2 business update; no confirmed new company announcement explains the move. - Bitcoin is down 1.12% and Ethereum 2.04% since the prior close, less than the stock; broader indexes are higher, with pressure concentrated in AI-infrastructure and crypto-related names rather than a broad-market selloff.