7 retirement investing mistakes

Everyone knows the secret to investment success is to buy low and sell high. The problem is most of us lack clairvoyance.

We weigh in on some of the most common mistakes investors make, and while it's easy to see that chasing hot stocks -- the most frequently cited mistake -- would be an exercise in futility, there are other pitfalls to watch out for on the road to retirement.

There are never any guarantees when investing, but avoiding these seven missteps will better your chances of success.