Dow Rises 500 Points to New High. The Nasdaq Turns Negative.

Market Performance - The Dow reached its highest levels on record, increasing by 405 points, or 0.9% [1] - The S&P 500 also hit record highs, rising by 0.3% [1] - The Nasdaq Composite experienced a slight increase, with all three indices needing to close higher to set fresh closing records [1] Economic Indicators - The ISM's services purchasing managers index (PMI) fell to a reading of 50 in September, down from 52 in August [2] - Economists had anticipated the PMI to remain at 52, indicating a discrepancy between expectations and actual performance [2]