The following video is from Wednesday's Investor Beat, in which host Chris Hill and analysts Jason Moser and Matt Argersinger dissect the hardest-hitting investing stories of the day.

Synaptics (NASDAQ:SYNA) raises guidance for the fourth quarter. Westport Innovations (NASDAQ:WPRT) benefits from falling natural gas prices. Five Below (NASDAQ:FIVE) makes a secondary stock offering. Wynn Resorts (NASDAQ:WYNN) benefits from an analyst report on China's economy and Macau gaming. In this installment of Investor Beat, Jason and Matt discuss four stocks making big moves today.

The relevant video segment can be found between 2:42 and 5:26.

Chris Hill and Jason Moser have no position in any stocks mentioned. Matthew Argersinger has the following options: long Jan. 2015 $25 calls on Westport Innovations. The Motley Fool recommends and owns shares of Westport Innovations. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.