Why Is SK hynix (SKHY) Stock Price Down 7.60% Today, Sep 14? AI Slowdown Debate and Rising Yields Trigger Memory Selloff

SK hynix fell 7.6% amid a broad AI-semiconductor selloff as prominent AI leaders argued for a slower pace of frontier-model development, raising concerns about data-center buildout timing and HBM memory demand. The move was amplified by a risk-off macro backdrop: higher oil prices and U.S. Treasury yields near 5% ahead of the Fed meeting, pressuring duration-sensitive tech valuations and weighing across memory and AI-linked equities.