U.S. Stocks Slip as Oil Prices Retreat; Salesforce Still Mulling Twitter Acquisition

U.S. stocks dropped Tuesday as oil prices moved off of their 15 month high. Fresh data showed OPEC oil production reached a record high in September, rising by 160,000 barrels a day to 33.64 million barrels per day. This comes as OPEC, at the end of September, agreed to reduce production, with final details of the deal coming at the cartel's next official meeting in November. Alcoa (AA) - Get Report shares slipped 4.3% after posting third quarter earnings of $0.32 a share, missing estimates of $0.34. Revenue of $5.2 billion fell short of the $5.33 billion. This is the company's last earnings release before it splits into two separate publicly traded companies: Alcoa Corp. and Arconic. Twitter (TWTR) - Get Report shares rose 2% after reports surfaced that Salesforce (CRM) - Get Report  is still deciding whether to purchase the troubled social media platform, according to Reuters. TheStreet's Scott Gamm reports from Wall Street.