US stocks: S&P 500 ends higher as investors await tech earnings
The S&P 500 ended higher on Tuesday as gains in Boeing and Coca-Cola helped offset tumbling chip stocks ahead of quarterly reports from Apple and other tech companies this week. Global markets have been volatile this month as investors worry that Alphabet, Microsoft, Amazon and other technology heavyweights may be overspending on AI data centers as they race to dominate the emerging technology. Microsoft rose ahead of its report on Wednesday, while Amazon was near flat ahead of its results on Thursday. Apple climbed and lifted its stock market value to $5 trillion for the first time. Th