Three Semiconductor 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”).

FSI International (NASDAQ:FSII) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) 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. 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 (NYSE:TSM) is seeing ratings go up from a B last week to an A this week. Taiwan Semiconductor Manufacturing makes semiconductors based on its own or third-party proprietary integrated circuit designs. For more information, get Portfolio Grader’s complete analysis of TSM stock.

The rating of Himax Technologies (NASDAQ:HIMX) moves up this week, rising from a B to an A. Himax Technologies designs and manufactures integrated circuits. Shares of HIMX have increased 45% over the past month, better than the 0.8% increase the Nasdaq has seen over the same period of time. 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.