The grades of three 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.

FSI International (NASDAQ:FSII) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. FSI International is a supplier of processing equipment used at key production steps to manufacture microelectronics, including semiconductor devices and thin film heads. In Portfolio Grader’s specific subcategories of Earnings Growth, Earnings Momentum, and Sales Growth, FSII also gets A’s. For more information, get Portfolio Grader’s complete analysis of FSII stock.

Taiwan Semiconductor Manufacturing Co., Ltd. Sponsored ADR (NYSE:TSM) earns an A this week, jumping up from last week’s grade of B. Taiwan Semiconductor Manufacturing makes semiconductors based on its own or third-party proprietary integrated circuit designs. Shares of TSM have increased 11.3% over the past month, better than the 1.7% decrease the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of TSM stock.

Himax Technologies, Inc. Sponsored ADR (NASDAQ:HIMX) gets a higher grade this week, advancing from a B last week to an A. Himax Technologies designs and manufactures integrated circuits. Wall Street seems to agree with the upgrade and has propelled the stock up 47.5% over the past month. For more information, get Portfolio Grader’s complete analysis of HIMX 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.