According to CNBC, the Global X Artificial Intelligence & Technology ETF fell 4% this week, bringing its October losses to 8% and leaving it 15% below its summer record. The iShares Semiconductor ETF dropped 29% from its recent high, extending its decline in bear-market territory. On Friday, Intel fell 25% on weak revenue guidance, Micron lost 5.5% and Nvidia declined 4%; Amazon fell 2% and Google slipped 1%. Investors were weighing whether returns from artificial intelligence will justify the investment in infrastructure. Anthropic reported slower sales growth from the second to the third quarter, while Big Tech earnings showed hyperscalers pulling back on capital expenditures. Cboe Global Markets’ JJ Kinahan said the recent AI boom was in question and that investors should weigh potential returns against the risk and upfront costs.