The grades of 3 Aerospace & Defense stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This week, TASER International, Inc. (TASR) pushes up from a C to a B rating. TASER International, Inc. develops, assembles, and markets less-lethal weapons for use in the law enforcement, private security, and personal defense markets. The company also gets A’s in sales growth and earnings surprise. For more information, get Portfolio Grader’s complete analysis of TASR stock.

CAE Inc.’s (CAE) ratings are looking better this week, moving up to a A from last week’s B. CAE Inc. is engaged in the design, development and production of simulation tools and equipment for commercial airlines, business aircraft operators, aircraft manufacturers and military organizations. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of CAE stock.

Kratos Defense & Security Solutions, Inc. (KTOS) boosts its rating from a D to a B this week. Kratos Defense & Security Solutions, Inc. operates as a defense contractor and security systems integrator for the federal government and for state and local agencies. For more information, get Portfolio Grader’s complete analysis of KTOS stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.