Mumbai, Aug. 22 -- The S&P 500 slid 25.61 points (0.4%) to 6,370.17, the Nasdaq fell 75.55 points (0.3%) to 21,100.31 and the Dow declined 152.81 points (0.3%) to 44,785.50.

Wall Street showed weakness as investors awaited Federal Reserve Chair Jerome Powell's speech at the Jackson Hole Symposium, which could shape expectations for the September policy meeting. While markets still anticipate a rate cut, the likelihood has dropped to 73.6% from 92.1% a week ago, reflecting uncertainty over upcoming jobs and inflation data.

Comments from Kansas City Fed President Jeffrey Schmid further added caution, stressing the need for "very definitive data" before any rate move. Meanwhile, Walmart shares fell 4.5% after disappointing Q2 earnings, wei...