Quant Picks: Three Aerospace & Defense Stocks to Invest in

With Berkshire Hathaway agreeing to acquire Precision Castparts this week, we decided to check TheStreet Quant Ratings for stocks in the aerospace and defense sub-sector worth buying. Warren Buffett's conglomerate says it will pay around $30 billion in cash for Precision Castparts, making this Berkshire's most expensive acquisition ever. Shares of Precision Castparts shot up nearly 20% yesterday morning, to $231. The company manufactures and sells metal components and products to the aerospace, power, and general industrial and other markets worldwide. TheStreet Quant Ratings rated Precision Castparts a 'B- buy,' before the deal was announced. Here are some of the best aerospace and defense stocks our algorithm says you should consider looking at. Number 3 is General Dynamics Corporation. With an 'A' rating, the company's strengths can be seen in its revenue growth and solid stock price performance. 2nd is, Lockheed Martin Corporation. This rating is also an 'A.' Lockheed Martin thrives in its increase in net income and notable return on equity. Number 1 is Honeywell International. With an 'A+' rating, the company flourishes in its increase in net income and solid stock price performance. TheStreet Ratings are algorithmic stock picks based on 32 major data points. S&P 500 stocks rated 'buy' yielded a 16-and-a-half-percent return in 2014, beating the S&P 500 Total Return Index by more than 300 basis points. For the full reports on these stocks, you can check out TheStreet.com/QuantRatings.