If you invest $30,000 in three specific stocks, you could triple your money in 10 years.

At least that’s what acclaimed financial analyst Malcolm Berko wrote in his advice column last year.

The stocks you’d have to invest in, he said, are Raytheon, General Dynamics, and Lockheed Martin — three defense companies. In other words, what he’s saying is: You could triple your money in 10 years, but you’d be capitalizing on the U.S. revving up its defense spending.