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 today's installment, Hewlett-Packard (NYSE:HPQ) announces a new tablet, Barnes and Noble (NYSE:BKS) discusses going private, and Nevada legalizes gambling over the Internet with real money, boosting Zynga (NASDAQ:ZNGA) shares. These stories plus today's four biggest movers and two stocks we'll have our eye on this week.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.