tsp.gov sent out this email this morning to participants...
Stick to Your Plan
Significant movements can occur rapidly in the stock and bond markets. By the time you react to the situation, the market may be moving in the opposite direction, and you could miss out on significant gains. It's a good idea to periodically ask yourself whether your retirement portfolio properly reflects your willingness and ability to take risk. But if you are certain about the amount of risk you can tolerate, try not to let short-term market movements steer you off course. To learn more, visit Investment Strategy: Stick to Your Plan.