Software export curbs and Russia sanctions mark a 1.16% QQQ decline

QQQ ended down 1.16%, trailing SPY's 0.67% decline by 0.49 percentage points. The session included a potential U.S. restriction on software exports, Google's Willow quantum-computing update and a report on expanded Ukrainian use of Western long-range missiles. After hours, the U.S. sanctioned Rosneft and Lukoil, automakers opposed tariffs on factory robots, and Tesla reported 12% revenue growth alongside a 31% profit decline.