There's a false sense of security that large caps don't go down. I've got news for you -- they do.

The share has done well, a lot of expectations are priced in and the positive news now has to be confirmed.

when there appears to be significant corporate news or when a company's security is experiencing extraordinary volatility, either of which is impacting the fairness and orderliness of the market.

The manager could have made a large sector bet that flopped; he may have made a large commitment to the fund's top 10 holdings, which then underperformed; or the fund may simply have an unskilled manager, someone who can't pick well.

If you're still invested in these funds, you're no longer buying and holding, you're buying and hoping.

November typically marks the beginning of the growth season in stocks. This is due in large part to pension fund buying patterns, which have produced an average gain of 5 percent from November 1 to January 31 over the last 50 years.