S&P, Dow little changed, Apple props up Nasdaq

The S&P 500 and Dow trimmed gains and were little changed in early afternoon trading on Monday, while a bounce in Apple's stock kept the Nasdaq in positive territory. Apple's shares rose 1.44 percent to $96.58. Investors are awaiting speeches by several U.S. Federal Reserve officials this week for further clues on the trajectory of rate hikes, with Fed Chair Janet Yellen set to speak on Friday.