Money managers withdrew a record $17.4 billion from the SPDR S&P 500 ETF over the past four trading sessions. The $8 billion redeemed on Tuesday alone was the third-largest daily withdrawal in the post-crisis era. The last time redemptions were close to matching this frenetic pace was in late 2007, when cracks in U.S. equities began to show before the global financial crisis unfolded. Read the original story from Bloomberg.