Morgan Stanley’s Mike Wilson, one of Wall Street’s most prominent pessimists, dropped his bet against the U.S. stock market this weekend, as the continued to rise. Wilson boosted his 12-month S&P 500 target to 5,400, a 20% jump from his last forecast of 4,500, though it assumes the market could rise only 2%. The big change comes as the stock market continues to hit record levels this year.