Light index gains, narrow leadership — heavy idiosyncratic moves (ISRG, UAL) and call-heavy options in QQQ/SPY
Major ETFs finished marginally higher while the tape stayed narrow: SPY +0.07%, QQQ +0.11%, IWM +0.07% at the regular close. Breakouts and headline-driven names produced the day’s volume and volatility; confirmed earnings drove the most consequential stock moves and options scanners flagged concentrated call activity in QQQ and SPY.