AMD Stock After Hours (Dec. 17, 2025): Why Shares Slid to $198 and What to Watch Before Thursday’s Market Open
AMD shares fell 5.25% to close at $198.20 on Wednesday amid a broad tech selloff tied to concerns over AI data center financing. The stock traded between $211.48 and $197.69 during the session. After hours, AMD was little changed near $198.56 as investors awaited key U.S. economic data due Thursday.