Wall Street ended higher on Friday, lifted by Amazon as the tech heavyweight's strong quarterly report bolstered investor confidence in AI-related stocks, while Apple dropped after its results disappointed investors. Amazon.com surged over 15% after posting its biggest quarterly revenue growth in over four years. Its results, along with a similar report from Microsoft on Wednesday, alleviated investor concerns about potential overspending on AI data centers. Apple tumbled 7.4% after warning that supply constraints would hurt growth. Apple's slump kept the S&P 500 technology index down 0.54%, despite gains in other tech stocks. Microsoft rose 3%, adding to gains after surging over 15% on Thursday. Monolithic Power Systems rose over 8% after forecasting third-quarter revenue above estimates. The S&P 500 climbed 0.70% to end the session at 7,489.72 points. The Nasdaq gained 1% to 25,373.85 points, while the Dow Jones Industrial Average rose 0.53% to 52,485.03 points. Volume on U.S. exchanges was heavy, with 20.6 billion shares traded, compared to an average of 17.1 billion shares over the previous 20 sessions. For the week, the S&P 500 rose 1.05% and the Nasdaq added 1.59%. The S&P 500 ended July about flat from June, while the Nasdaq fell 3.2%. Three Federal