JPMorgan said retail investors did well with a buy-the-dip strategy last month, but that crowd of investors is getting weary.JPMorgan said retail investors did well with a buy-the-dip strategy last month, but that crowd of investors is getting weary. JPMorgan said retail investors did well with a buy-the-dip strategy last month, but that crowd of investors is getting weary. Read More MarketWatch.com – Top Stories