The grades of 17 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”).

This week, Synaptics Incorporated’s (SYNA) ratings are up from a C last week to a B. Synaptics Incorporated is a worldwide developer and supplier of custom-designed user interface solutions for a variety of mobile computing, communications, entertainment and other electronic devices. The company also gets A’s in sales growth, operating margin growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of SYNA stock.

Cavium, Inc. (CAVM) earns a A this week, jumping up from last week’s grade of B. Cavium, Inc. designs, develops and markets semiconductor processors for intelligent and secure networks. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of CAVM stock.

Monolithic Power Systems, Inc. (MPWR) boosts its rating from a B to a A this week. Monolithic Power Systems, Inc. is a high performance analog and mixed-signal semiconductor company. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of MPWR stock.

Texas Instruments Incorporated (TXN) is seeing ratings go up from a C last week to a B this week. Texas Instruments Incorporated is a designer and manufacturer of semiconductors that are sold to electronics designers and manufacturers. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of TXN stock.

This is a strong week for Qorvo, Inc. (QRVO). The company’s rating climbs to B from the previous week’s C. The company also gets A’s in sales growth and operating margin growth. For more information, get Portfolio Grader’s complete analysis of QRVO stock.

Xilinx, Inc. (XLNX) gets a higher grade this week, advancing from a C last week to a B. Xilinx, Inc. designs, develops and markets programmable platforms and predefined system functions delivered as intellectual property cores. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of XLNX stock.

Microsemi Corporation (MSCC) shows solid improvement this week. The company’s rating rises from a B to a A. Microsemi Corporation designs, manufactures, and markets high-performance analog and mixed-signal integrated circuits and high-reliability semiconductors. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of MSCC stock.

This week, OmniVision Technologies, Inc. (OVTI) pushes up from a C to a B rating. OmniVision Technologies, Inc. provides integrated single chip semiconductor imaging devices. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of OVTI stock.

EZchip Semiconductor Ltd.’s (EZCH) ratings are looking better this week, moving up to a B from last week’s C. EZchip Semiconductor Ltd. engages in the development and marketing of Ethernet network processors for networking equipment. The company also gets A’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of EZCH stock.

The rating of Integrated Device Technology, Inc. (IDTI) moves up this week, rising from a B to a A. Integrated Device Technology, Inc. designs, develops, manufactures, and markets a variety of semiconductor products and modules. The company also gets A’s in sales growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of IDTI stock.

Rambus Inc. (RMBS) improves from a C to a B rating this week. Rambus Inc. is a technology licensing company and focuses on the design, development and licensing of chip interface technologies and architectures that are foundational to nearly all digital electronics products. The company also gets A’s in earnings growth. For more information, get Portfolio Grader’s complete analysis of RMBS stock.

This is a strong week for IXYS Corporation (IXYS). The company’s rating climbs to B from the previous week’s C. IXYS Corporation designs, develops, and markets power semiconductors. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of IXYS stock.

The rating of PMC-Sierra, Inc. (PMCS) moves up this week, rising from a C to a B. PMC-Sierra, Inc. designs, develops, markets, and supports semiconductor networking solutions. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of PMCS stock.

This week, ON Semiconductor Corporation’s (ON) ratings are up from a C last week to a B. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of ON stock.

Atmel Corporation (ATML) improves from a C to a B rating this week. Atmel Corporation is engaged in the design, development, manufacture, and sale of semiconductor integrated circuit products. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of ATML stock.

NeoPhotonics Corporation (NPTN) is seeing ratings go up from a B last week to a A this week. NeoPhotonics Corporation designs, manufacturers, and markets standard and semi custom planar light wave circuits for metro access and other advanced optical communications platforms. The company also gets A’s in. For more information, get Portfolio Grader’s complete analysis of NPTN stock.

Aehr Test Systems (AEHR) gets a higher grade this week, advancing from a C last week to a B. Aehr Test Systems manufactures and sells systems, which are designed to reduce the cost of testing flash, dynamic random access memory, and other memory devices, and to perform reliability screening or burn-in of complex logic and memory devices. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of AEHR 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.