Apple boosts Nasdaq and Dow, S&P little changed

Apple's shares rose 1.85 percent to $96.91. Investors are also 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 speaking on Friday. The Fed surprised investors when the central bank's minutes released last week opened the door to a rate hike in June, roiling financial markets.