Last week, investors added $379 million into equity mutual funds (the kind that’s popular with retail investors) according to Thomson Reuters' Lipper. At the same time, exchange-traded funds focusing on equities – the kind of securities traded by institutional investors – saw a whopping $7.97 billion in outflows. That’s the biggest outflow seen since February, around the time the Dow Jones Industrial Average dropped 5 percent from its then highs.