Shares of Swiss pharmaceutical giant Novartis (NVS -0.26%) are up more than 16% since the start of 2013, and its total return this year has been only slightly better than the broader market. The company is set to release its second-quarter results tomorrow, and this will be a major catalyst for the stock --- but how will this drugmaker fare? Which business segments should investors focus on, and what are the key areas to watch when the results are available? Health care analyst Macaluso discusses these topics in the following video and focuses on three main areas.