Shares of Nvidia gained 3.9%. Nvidia will also supply OpenAI with data center chips, the companies said, which further stoked optimism about AI prospects. Shares of Apple rose 4.3% after Wedbush raised the stock's target price on strong demand signs for the iPhone 17, while Tesla climbed 1.9%. Technology led S&P 500 sector gains and ended 1.7% higher. Some Federal Reserve officials made remarks doubting the need for further rate cuts. Last week, the U.S. central bank cut interest rates for the first time s ...