Stocks finish wild month with Amazon rising, Apple sinking and Seoul’s best day ever resulting in a 22% loss

U.S. stocks ended July with mixed results as Amazon rose 15.3% due to stronger-than-expected profits, while Apple fell 7.4% despite higher quarterly earnings but a weaker revenue forecast. The S&P 500 and Nasdaq gained for the week but finished the month with slight losses, amid rising oil prices and inflation concerns.