Wall Street was rattled by the debut of DeepSeek, a Chinese artificial intelligence (AI) startup, which triggered a major selloff in tech stocks. Investors grew concerned that the AI bubble might have finally burst.

Unclear whether panic selling and sentiment are an overreaction or indication that Silicon Valley has underestimated Chinese tech prowess The US markets got a loud wake-up call on Monday when shares of major US artificial intelligence and semiconductor companies slumped on a wave of fear that Chinese companies were poised to surpass them in the high-stakes battle for supremacy.

By Lawrence Delevingne, Samuel Indyk and Tom Westbrook BOSTON/LONDON/SINGAPORE (Reuters) -U.S. stock futures steadied, the dollar ticked higher and tech stocks in Asia slid on Tuesday following a wave of selling as apparent advances by a Chinese AI startup cast doubt on U.

Barrett Woodside, co-founder of the San Francisco AI hardware company Positron, said he and his colleagues have been abuzz about DeepSeek.