['DATE | 50-day', 'DATE | Two_weeks', 'ORG | CNBC', 'ORG | S&P', 'PERCENT | 90%', 'exchangeName | Dow_Jones_Industrial_Average', 'exchangeName | Nasdaq_Composite', 'exchangeName | S&P_500']
Two weeks after the S&P 500 crossed back over its 50-day moving average, the S&P, Dow Jones Industrial Average and Nasdaq Composite all tend to trade consistently higher — each a positive trade 90% of the time, according to a CNBC analysis of Kensho, a machine-learning tool used by Wall Street banks and hedge funds to identify trading opportunities from historical market patterns.