Cipher Mining is trading 16.4% lower at $10.87, amid reported pressure on bitcoin-mining and AI-infrastructure stocks as investors weigh data-center financing concerns. - Bitcoin is up 0.54% since the previous close, a move that does not explain the much larger stock decline. - Morgan Stanley cut its price target to $51.50 from $54 while maintaining an Overweight rating. - Reports describe sector-wide concerns, not a clear company-specific event.