The grades of 3 Semiconductors & Semiconductor Equipment stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Nova Measuring Instruments Ltd (NVMI) shows solid improvement this week. The company’s rating rises from a C to a B. Nova Measuring Instruments Ltd develops, produces, and markets monitoring and measurement systems for the semiconductor manufacturing industry. The company also gets A’s in sales growth, earnings growth, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of NVMI stock.

MagnaChip Semiconductor Corporation (MX) boosts its rating from a C to a B this week. MagnaChip Semiconductor Corporation designs, develops, and manufactures mixed-signal and digital multimedia semiconductors. The company also gets A’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of MX stock.

This week, Trio-Tech International’s (TRT) ratings are up from a C last week to a B. Trio-Tech International designs and sells equipment and systems used in the manufacture and structural testing of semiconductors. The company also gets A’s in operating margin growth, earnings growth, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TRT 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.