3 Aerospace & Defense stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

This week, Boeing Company (BA) pushes up from a B to a A rating. Boeing Company is engaged in the design, development, manufacture, sale and support of commercial jetliners, military aircrafts, satellites, missile defense, human space flight, launch systems and services. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of BA stock.

AeroVironment, Inc. (AVAV) is seeing ratings go up from a D last week to a B this week. 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 earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of AVAV stock.

Tel-Instrument Electronics Corp (TIK) improves from a C to a B rating this week. Tel-Instrument Electronics Corp is a designer and manufacturer of avionics test and measurement solutions for the global commercial air transport, general aviation, and government/military aerospace and defense markets. The company also gets A’s in sales growth, earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TIK 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.