Nasdaq 100 Tumbles as Oil Spike, AI Jitters Hit Tech Stocks

The Nasdaq 100 Index tumbled Friday, capping its first back-to-back weekly loss since late March as it was dragged down by the oil-price spike and a selloff in the tech stocks that once surged on the back of the AI investment boom. The technology-heavy gauge...

Short Bets Against US Equities Hit Record as AI Risks Mount

Bearish bets across US stocks are surging to a record in the face of market gains, reflecting anxiety about the staying power of a rally that has seen the S&P 500 jump 18% from late March. Short interest in S&P 500 Index stocks is sitting steps away from 3.79%...

AI Upheaval Crushes Retail Traders Crowding Into Leveraged Funds

A surprise breakthrough from Chinese startup Moonshot rippled through global markets Friday, sending AI and semiconductor stocks sharply lower and reviving memories of last year’s so-called DeepSeek moment. It was the latest reminder that markets are being reshaped at...