Memory chip stocks are experiencing a significant sell-off in the pre-market session after leaders from prominent AI companies, including OpenAI and Anthropic, advocated for a slowdown in advanced AI development to address safety concerns. This has triggered investor fears of a potential deceleration in the rampant demand for memory-intensive AI infrastructure, which has been a primary driver of the sector's recent strong performance and rising chip prices. The negative sentiment is impacting major memory producers and the broader semiconductor industry globally.