Chip stocks fell hard on reports the Biden administration is considering tougher export curbs to limit China’s access to advanced chip technology. But breadth wasn’t too bad, with losers beating winners on both exchanges by less than 2 to 1. Consumer staple stocks outperformed, along with energy, health care, financial and real estate stocks. Sellers knocked Nvidia and Eli Lilly lower, but Tenet Healthcare is trading tightly near its 10-week moving average.