4 Specialty Retail 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”).

Monro Muffler Brake, Inc. (MNRO) boosts its rating from a C to a B this week. Monro Muffler Brake, Inc. operates a chain of Company owned stores in the Northeast US providing automotive undercar repair and tire services in the Eastern region of the US. For more information, get Portfolio Grader’s complete analysis of MNRO stock.

This week, Best Buy Co., Inc. (BBY) pushes up from a C to a B rating. Best Buy Co., Inc. is a retailer that specializes in selling appliances, consumer electronics, home office products, and software. The company also gets A’s in earnings growth, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of BBY stock.

This week, Michaels Companies Inc’s (MIK) ratings are up from a C last week to a B. The company also gets A’s in operating margin growth and free cash flow. For more information, get Portfolio Grader’s complete analysis of MIK stock.

This is a strong week for Trans World Entertainment Corporation (TWMC). The company’s rating climbs to B from the previous week’s C. Trans World Entertainment Corporation is a specialty retailer of entertainment software, including music, video, and video games. For more information, get Portfolio Grader’s complete analysis of TWMC 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.