I am by no means a sophisticated investor however, I have learned through the school of hard knocks that trying to time the market or a specific stock is a foolhardy practice. If, through your research, you have concluded that it is a strong company going forward and you have a long term horizon (in my case generally 5 years) go ahead and invest. This approach has made me much more money that I have lost over the years. 
And besides, if you're in the DRIP, you get more shares with no commission and many companies give you a discount.