With Chips / semis (SOXX) down 2.6%, this looks like a sector-led move rather than a company-specific surprise.

The semiconductor sector is experiencing a significant sell-off today due to a confluence of negative headlines. News of a technological advancement by Chinese memory chip maker CXMT has ignited concerns about heightened competition for industry leaders. This was compounded by cautious remarks from Broadcom's CEO, who compared AI-related investing to a 'casino', fueling existing anxieties about a potential bubble in the AI space and the sustainability of current valuations.