The grades of five semiconductor stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

M/A-COM Technology Solutions Holdings, Inc. (MTSI) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. M/A-COM Technology Solutions designs, develops, manufactures, and markets semiconductors and modules for use in wireless and wireline applications across the radio frequency, microwave, and millimeterwave spectrum. In Portfolio Grader’s specific subcategories of Earnings Momentum, Earnings Revisions and Sales Growth, MTSI also gets A’s. For more information, get Portfolio Grader’s complete analysis of MTSI stock.

FSI International (FSII) improves from a B to an A rating this week. FSI International is a supplier of processing equipment used at key production steps to manufacture microelectronics, including semiconductor devices and thin film heads. For more information, get Portfolio Grader’s complete analysis of FSII stock.

CVD Equipment Corporation’s (CVV) grade is moving up to a B (“buy”) this week from last week’s C (“hold”). CVD Equipment develops, manufactures, and markets chemical vapor deposition equipment, annealing furnaces, and etching systems. For more information, get Portfolio Grader’s complete analysis of CVV stock.

FormFactor, Inc.’s (FORM) ratings are looking better this week, moving up to a B from last week’s C. FormFactor designs, develops, and manufactures advanced semiconductor wafer probe cards. For more information, get Portfolio Grader’s complete analysis of FORM stock.

Semiconductor Manufacturing International Corp. Sponsored ADR (SMI) gets a higher grade this week, advancing from a C last week to a B. Semiconductor Manufacturing International manufactures, trades, packages, tests, and provides computer-aided design integrated circuits. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of SMI 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.