CNBC " Halftime Report " trader Jon Najarian purchased shares of Anheuser-Busch InBev and Smith & Wesson on Thursday after spotting unusual options activity. Here is what Najarian sees and the reasons he acquired them for his model portfolio. AB InBev is the world's largest brewer and owns more than 200 brands including Budweiser, Corona and Stella Artois. The trader likes the technical setup of the company's stock chart. "Anheuser-Busch is trying to hold the same $115 zone where it peaked in mid-2014 and now the bulls are looking for a rally," Najarian wrote in an email. Source: FactSet The co-founder of optionMONSTER.com and tradeMONSTER.com noted that total call option volume in the company outnumbered puts by 100 to 1. When the options market shows that kind of bullish skew, he is often a buyer. Read More Pro Uncut: Full interview with Goldman's Gary Cohn Najarian is also optimistic on gun maker Smith & Wesson and believes the stock's strong performance will continue. The company's shares are up more than 70 percent in the past year on worries about increased gun control. Call options activity spiked Thursday with calls outnumbering puts by more than 200 to 1, according to Najarian. About 2,000 March $24 calls traded for 58 cents, which means the buyer is looking for upside in the shares. For all the picks and analysis for the "Halftime Report" portfolio, click here . Disclosure: Jon Najarian is personally long SWHC and BUD. Read More Bear market on the way? Here's how to trade it
Budweiser beer sits on display under a sign inside the Anheuser-Busch brewery in St. Louis.