The stock market's safety net went missing when it was needed most — here's what that means for the

A key backstop for the stock market just failed as US equities suffered their worst week in more than two years. While the sell-off certainly hurt, Wall Street is still mostly bullish on a longer-term basis, due to strong corporate fundamentals and a growing economy. When the going got tough this past week, the stock market's most reliable fallback plan failed miserably. As all major US indexes plummeted into correction territory — with the benchmark S&P 500 suffering its worst...