Intel stock dropped 21% in a week as 18A manufacturing delays and AMD's data-center milestone shook investor confidence ahead of July 23 earnings.

Intel shares surged roughly 8.5% on an Alphabet chip deal, with implications for crypto mining hardware supply chains and semiconductor sector dynamics.

AMD shares dropped up to 10% after Samsung's weak results rattled semiconductor stocks. Here's what the selloff means for AI valuations and chip markets.