The following video is from Friday's Investor Beat, in which host Chris Hill, Motley Fool Million Dollar Portfolio advisor Ron Gross, and Motley Fool CEO Tom Gardner, sit down to dissect the hardest-hitting investing stories of the day.

In this segment, Tom and Ron take a look at nine big-name stocks that are hitting all-time highs at the moment. They discuss why it's a healthy instinct to be apprehensive as stocks reach new highs, and take a look at whether it's time to sell, or if these stocks can push higher.