Summary:
1. Pros always have cash on hand.
2. Another difference between professional investors and amateurs is the
focus on downside versus upside.
3. If you don’t know it, don’t buy it.
4. Making to much money is usually a sign that a portfolio is overexposed to
one stock or sector.
5. Investing during earnings season is too much of a gamble.
Link: http://www.cnbc.com/id/32243536
