S&P 500 Gains and Losses Today: Oracle Shares Surge After Strong Earnings

Key TakeawaysThe S&P 500 gained 0.5% on Tuesday, Sept. 10, ahead of the evening's presidential debate and Wednesday's Consumer Price Index (CPI) report.Hewlett Packard Enterprise shares tumbled after the business IT firm said it would issue $1.5 billion in convertible preferred stock.Software giant Oracle beat quarterly estimates and announced a new partnership with Amazon, and its shares surged. Major U.S. equities indexes were mixed ahead of Tuesday evening's presidential debate and Wednesday morning's re ...