Opinion: The stock market is seeing more ‘90% days.’ Here’s what that means for your money. - MarketWatch
1. S&P 500 experienced a '90% down day', indicating market volatility. 2. Four '90% days' in the past month signal bearish trends. 3. SPX holding above 5,800 is seen as support but critical levels loom. 4. Cumulative volume breadth at an all-time high is a bullish indicator. 5. Emerging sell signals require confirmation to assess market direction.