S&P 500 Gains and Losses Today: Waters Stock Surges as Sales Improve

Key TakeawaysThe S&P 500 added 0.4% on Friday, Nov. 1, as strong earnings results from Amazon helped lead a resurgence in communication and technology stocks.Waters Corp. shares surged after the analytical instrument supplier posted strong third-quarter results, benefitting from sales growth across all regions and markets.Virginia-based utility AES Corp. reported a year-over-year decline in revenue, and its shares tumbled. Following a pair of negative trading sessions, major U.S. equities indexes closed out ...