CNBC Daily Open: The U.S. tech-sell off extends to its second day — but don't let it ruin your summer
1. Tech stocks have dragged markets down, affecting S&P 500 performance. 2. Palantir fell for the sixth consecutive day, losing its top-value ranking. 3. Investor caution arises from fears of an AI bubble amidst strong tech stocks. 4. S&P 500 has seen four consecutive days of losses, indicating market fragility. 5. The Fed's divided opinions on inflation impact investor sentiments significantly.