Midday Wave #90: Breadth Breaks Hard: Defensive Tape, Three Names Still Standing – Tuesday 8/18/2026

Episode summary

Twenty-day breadth collapsed from 98% to 45% in a single session, flipping the regime defensive across nearly every timeframe. The desk digs into which breakouts have real volume behind them versus empty moves, and flags CLS, MU, and MPWR as the rare names still holding institutional structure amid the flush.