Market froth needs to settle down, Jim Cramer says
1. Cramer warns market froth causing instability. Trendier stocks must cool off. 2. S&P 500 fell 0.5% on Monday. Index performance worsened amid sell-off. 3. Quantum computing uncertainty added to investor caution. Microsoft breakthrough faced skepticism. 4. Data center stocks like Vistra and Constellation Energy declined. Capital expenditure fears emerged.