The S&P 500 and Nasdaq ended 1% higher on Tuesday as investors returned to the market following a dramatic sell-off. Federal Reserve officials' comments alleviated recession concerns despite weaker-than-expected July jobs data. All three major stock indexes rose but ended significantly below their intraday highs. Traders are predicting a likely Fed rate cut in September. All major S&P 500 sectors ended higher, with real estate and financials leading gains. Nvidia's nearly 4% rise boosted the indexes.