As the US stock markets have done well for the past 8 years, many investors wonder if their portfolios are positioned well for potential market corrections.  Though it is impossible to predict the future, expecting volatility in the coming years is a safe bet.  Market volatility is normal, and feeling uneasy about a lower portfolio value is normal too.  Historical analysis shows that pullbacks of 5% have occurred about once a quarter, and pullbacks of 10% are likely to occur once