US stocks faltered in their rebound bid on Friday, resuming a tech-led sell-off as investors weighed bearish consumer sentiment data and the odds that the AI investment boom will pay off. The tech-heavy Nasdaq Composite (^IXIC) led the losses, falling around 1.8% following Thursday's sharp losses for US gauges. The S&P 500 (^GSPC) lost roughly 1%, while the Dow Jones Industrial Average (^DJI) lost around 0.6%. Stocks are on track to close a bumpy week steeply in th ered, dragged down by persistent worri ...