In this segment from Wednesday's Investor Beat, Motley Fool analysts Matt Argersinger and Bill Barker each pick one stock they'll be watching closely in the week ahead. Matt takes a look at Yandex (YNDX), the largest search engine in Russia, which has seen its shares get beaten down significantly as the conflict in Crimea continues, Matt discusses whether he's worried about the stock long-term. Meanwhile, Bill looks into Lennar Corp. (LEN -1.01%), and says that he's expecting it to beat its numbers based on the strength of other homebuilders that have reported earnings recently.