JPMorgan Chase & Co‘s clients have been warned by its chief global equity strategist, Dubravko Lakos-Bujas, of a potential “out-of-the-blue” shock to the stock market. This warning comes amid a strong first quarter for stocks. What Happened: Lakos-Bujas cautioned investors on Wednesday about the risks associated with the current momentum trade in the U.S. equities market, reported Bloomberg. He highlighted the dangers of excessive crowding in the market’s top-performing stocks, which could lead to an unexpected correction. “It just might come one day out of the blue. This has happened in the p…