Nvidia shares drop up to 7%, Nasdaq futures slide 4.3% as DeepSeek sparks global tech rout

Nvidia, hailed as the AI booms poster child with a 196% gain in 2024, now faces rising scrutiny. DeepSeeks low-cost, open-source model challenges the industry's dependence on premium chips and expensive AI ecosystems, posing a threat to Nvidias dominance and raising questions about the sustainability of its leadership in the rapidly evolving AI landscape.