The following video is from Thursday's Investor Beat, in which host Chris Hill and Motley Fool analysts Tim Hanson and Matt Koppenheffer dissect the hardest-hitting investing stories of the day.

Tesla Motors (TSLA -3.40%) continues to fall after one analyst's downgrade and the release of an Internet video of a Model S on fire. Constellation Brands (STZ -0.37%) rises after great second-quarter earnings news and raised guidance for the full year. Angie's List (ANGI) is down after it slashed prices by 75% in key markets to bring in new members. And Herbalife (HLF 2.83%) falls as billionaire hedge fund manager Bill Ackman reduces his short bet on the stock. In this segment, our analysts discuss four stocks making big moves today.