Stocks Have Been Volatile After Earnings. Why the Market’s on Edge.  - Barron's

1. S&P 500 earnings season shows heightened market volatility. 2. 15% of firms reported; beating estimates yields 3.6% average gains. 3. Big banks, including JPM, primarily drove positive earnings sentiment. 4. Earnings season reveals financial sector's robust 2% average price gain. 5. Investors remain cautious amidst potential economic slowdown impacts.