Morgan Stanley CIO and Chief US Equity Strategist Mike Wilson says a 5% dip or correction is possible after Moody's downgraded the US credit rating. Wilson says he'd be surprised if the S&P 500 drops below 5,500. He speaks about his outlook on "Bloomberg Open Interest." -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http://www.bloomberg.com