3 Stocks to Watch Today: Twitter (TWTR), Salesforce (CRM) and PayPal (PYPL) Just know that it may take a day or two after the announcement for stock prices to reflect that reality. Source: Grab Media Two Fridays ago, the S&P 500 was crushed following comments from Boston Federal Reserve Bank President Eric Rosengren, who said, "We have a good probability that we're getting it by the end of the year." That rebound was short-lived though, until Thursday when modest producer price inflation and tepid retail sales for August once again precluded the odds of a September rate hike.