Stock market today: Dow, S&P 500, Nasdaq futures rise after AI, tariffs ignite Wall Street's latest sell-off

US stock futures ticked higher on Tuesday, attempting to stabilize after Wall Street gauges kicked off the final stretch of February with steep losses led by fears of AI disruption and tariff whiplash. LIVE 1 update Anthropic opens doors for staff shares to be sold to outside investment Bloomberg reports: Anthropic is offering some current and former employees the ability to sell shares in the company at a valuation of about $350 billion, according to people familiar with the matter — allowing them to cash ...