3 Times It Actually Makes Sense to Fear a Market Crash
Market crashes are an inevitable part of the market cycle. For most responsible investors, downturns aren't something to fear but instead are buying opportunities that provide a chance to buy quality investments at discount prices.
In some cases, however, a market crash could be a problem that affects your future financial security. This could happen to you if one or more of these three things applies to your situation.
Source Fool.com