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 (NBIS 7.46%), 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 0.96%), and says that he's expecting it to beat its numbers based on the strength of other homebuilders that have reported earnings recently.