Founder and CEO Shana Orczyk Sissel returned to Yahoo Finance as the S&P 500 closed in on record-breaking levels above 5000 points late last week. What could pump the brakes on this momentum? Shana told the show’s Josh Lipton, “I don't really see a lot of headwinds for what's going on. We have very strong economic growth. Very strong employment. But if there were anything it would be the Fed.”