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”).

Huntington Ingalls Industries, Inc. (HII) boosts its rating from a B to a A this week. Huntington Ingalls Industries, Inc. designs, builds, and maintains nuclear and non-nuclear ships for the United States Navy and Coast Guard. The company also gets A’s in earnings momentum and return on equity. For more information, get Portfolio Grader’s complete analysis of HII stock.

Hexcel Corporation (HXL) is seeing ratings go up from a C last week to a B this week. Hexcel Corporation develops, manufactures, and markets reinforcement products, composite materials, and engineered products. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of HXL stock.

AeroVironment, Inc. (AVAV) gets a higher grade this week, advancing from a C last week to a B. AeroVironment, Inc. designs, tests, and manufactures diversified technological products, including small, unmanned, remote-control military aircraft and rapid battery-charging stations. The company also gets A’s in sales growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of AVAV 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.