For the second time in the last month, a Chinese app has skyrocketed to the top spot in Apple’s App Store. The first was Xiaohongshu, or RedNote, which saw a sudden surge in downloads by United States users seeking an alternative to TikTok in anticipation of the ban on that app,

SINGAPORE—The unexpected success of Chinese AI startup DeepSeek has revealed cracks in U.S. efforts to contain China’s technology ambitions, challenging both Washington and Silicon Valley to rethink how best to preserve American supremacy.

US tech stocks were steady on Tuesday after they slumped on Monday following the sudden rise of Chinese-made artificial intelligence (AI) app DeepSeek. Shares in chip giant Nvidia rose by 8.8%, having slumped on Monday,

DeepSeek is a new artificial intelligence chatbot that’s sending shock waves through Wall Street, Silicon Valley and Washington. The app, named after the Chinese start-up that built it, rocketed to the top of Apple’s App Store in the United States over the weekend.

A new and largely unknown Chinese AI system called DeepSeek has rocked the tech industry and global markets.Tech shares plunged and chip maker Nvidia suffered falls of nearly 17 per cent on Monday, as President Donald Trump warned DeepSeek’s emergence was a “wake up call” for existing AI giants.