For a whole picture of 1 month, Nasdaq dropped 12% this month, the worst start in 50 years，The Dow and S&P 500 fell 5.70% and 7.73%, respectively, also setting their worst start to the year since 2009. Related Reading：Stock Market Sell-off Causes The Worst January Since 2009—Then What?？ A closer look at last week, the three major indexes reversed their decline with Friday’s performance: S&P 500 Index, Dow Jones Industrial Average Index and NASDAQ Composite Index rose 0.77%, 1.34% and 0.01% respectively. Weekly Index Returns From Last WeekS&P 500 Index and Dow Jones Industrial Average Index ended a three-week losing streak, and the NASDAQ Composite Index stopped a four-week losing streak. The Russell 2000 fell 0.9