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

Cisco Systems (NASDAQ:CSCO) single-handedly dragged down the Dow Index today after disappointing first-quarter results and warning that the second quarter will be even worse. Clean Energy Fuels (NASDAQ:CLNE) got a boost after announcing a multiyear deal with UPS (NYSE:UPS) to supply natural gas to private UPS stations in Texas. Shares of Facebook (NASDAQ:FB) were up slightly on reports that the social network will get to keep the $3 billion it offered to buy Snapchat. And Tile Shop Holdings (NASDAQ:TTS) fell more than 30% after short seller Gotham City Research said the home-improvement company used fuzzy math to inflate earnings. In this segment, our analysts take a look at four stocks making big moves on the market today.