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ARK Invest CEO Cathie Wood has purchased $2 million worth of Tempus AI shares, signaling continued conviction in the AI sector despite the stock's 15% year-to-date decline. This move comes as Wood's flagship ARKK fund faces ongoing performance scrutiny, trailing the S&P 500 significantly over a five-year horizon.
Nvidia's strategic reliance on optical interconnect technology has propelled two of its critical suppliers, Coherent Corp. and Lumentum Holdings, into the S&P 500. This milestone underscores Nvidia's role as a market-defining force and highlights the massive capital flowing into the hardware infrastructure required for generative AI.
U.S. stock indexes fell more than 1% as investors reacted to growing concerns over AI-driven labor displacement and renewed trade tariff threats. The broad selloff reflects a shift in risk appetite, moving away from high-growth tech and toward defensive positions amid geopolitical and technological uncertainty.