Tech Stocks Decline Amid AI Spending Concerns: Meta, Microsoft, Alphabet

Technology stocks fell after Meta Platforms' earnings report, with shares down 10% and bond yields rising. Microsoft shares also slipped amid concerns about AI infrastructure spending. Alphabet rose as investors praised Google's AI investments. Travel-software maker Navan's IPO flopped during the government shutdown, and cloud-computing firm CoreWeave's plans to buy Core Scientific were rejected by shareholders. Roblox posted a wider third-quarter loss but boosted its revenue forecast.