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

In this installment of Investor Beat, our analysts discuss four stocks making big moves. Shares of Affymax (NASDAQOTH:AFFY) fell more than 80% after the company recalled an anti-anemia drug connected to at least five deaths. Zynga (NASDAQ:ZNGA) shares had their best day in four months after Nevada legalized real-money gambling over the Internet. Shares of 3D Systems (NYSE:DDD) tumbled after earnings came in lower than expected. And shares of Barnes & Noble (NYSE:BKS) surged after Chairman and Founder Len Riggio offered to take the company private. 

The relevant video segment can be found between 2:28 and 4:41.

Tim HansonChris Hill, and Jason Moser have no position in any stocks mentioned. The Motley Fool recommends and owns shares of 3D Systems, and has the following options: short Jan 2014 $55 calls on 3D Systems and short Jan 2014 $30 puts on 3D Systems. 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.