11 Semiconductors & Semiconductor Equipment 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”).

This week, CEVA, Inc.’s (CEVA) ratings are up from a B last week to a A. CEVA, Inc. licenses silicon intellectual property (SIP) that is used mainly for the handsets, portable multimedia, and consumer electronics markets. The company also gets A’s in earnings growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of CEVA stock.

This week, Taiwan Semiconductor Manufacturing Co., Ltd. Sponsored ADR (TSM) pushes up from a B to a A rating. Taiwan Semiconductor Manufacturing Co., Ltd. Sponsored ADR makes semiconductors based on its own or third-party proprietary integrated circuit designs. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of TSM stock.

This is a strong week for Fairchild Semiconductor International, Inc. (FCS). The company’s rating climbs to A from the previous week’s B. Fairchild Semiconductor International, Inc. is a global supplier of high performance products that minimize, convert, manage and distribute power for multiple end markets. The company also gets A’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of FCS stock.

PDF Solutions, Inc. (PDFS) gets a higher grade this week, advancing from a C last week to a B. PDF Solutions, Inc. provides infrastructure technologies and services to optimize performance and improve yield of manufactured integrated circuits. For more information, get Portfolio Grader’s complete analysis of PDFS 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 sales growth. For more information, get Portfolio Grader’s complete analysis of NPTN stock.

Trina Solar Ltd. Sponsored ADR (TSL) boosts its rating from a C to a B this week. Trina Solar Ltd. Sponsored ADR designs, develops, manufactures and sells photovoltaic modules. The company also gets A’s in sales growth, operating margin growth, earnings growth, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TSL stock.

Exar Corporation (EXAR) improves from a C to a B rating this week. Exar Corporation designs, develops, and markets analog and mixed-signal integrated circuits for use in communications and video and imaging products. The company also gets A’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of EXAR stock.

Amkor Technology, Inc. (AMKR) shows solid improvement this week. The company’s rating rises from a B to a A. Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States and internationally. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of AMKR stock.

The rating of Siliconware Precision Industries Co., Ltd. Sponsored ADR (SPIL) moves up this week, rising from a B to a A. Siliconware Precision Industries Co., Ltd. Sponsored ADR provides semiconductor packaging and testing services. For more information, get Portfolio Grader’s complete analysis of SPIL stock.

Advanced Semiconductor Engineering, Inc. Sponsored ADR’s (ASX) ratings are looking better this week, moving up to a B from last week’s C. Advanced Semiconductor Engineering, Inc. Sponsored ADR is an independent provider of semiconductor packaging and testing services. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of ASX stock.

Lattice Semiconductor Corporation (LSCC) earns a B this week, jumping up from last week’s grade of C. Lattice Semiconductor Corporation designs, develops, and markets high speed programmable logic devices. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of LSCC 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.