If you bought as an investment, then think long term. plan on holding them a year or 2 or 10. then you can ignore these little burps in the price. Or, you can take advantage of these drops to increase your holdings. one caveat though, never speculate with more money than you can afford to lose.
This is good advice. The key with investing is to #1 get in early (and we still are...)
#2... you want to buy all the way down
#3... consider selling on the way up.
Most people do it the other way around and buy high and sell low.