China's red tide arrives on Wall Street's shore

The stock market's suffering from a week-long hangover, despite the fact that the party was dreadful. Global equity markets have lost $2.3 trillion in market cap in the worst start of the year ever. From the close of trading in 2015, the S&P 500 has plummeted 6.9 percent, the Dow free fell 7.4 percent and...