The grades of 4 Specialty Retail stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

Mattress Firm Holding Corp. (MFRM) gets a higher grade this week, advancing from a C last week to a B. Mattress Firm Holding Corp. is engaged in the retailing of mattresses and related products and accessories in the United States. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of MFRM stock.

MarineMax, Inc. (HZO) is seeing ratings go up from a C last week to a B this week. MarineMax, Inc. retails recreational boats in the United States. The company also gets A’s in sales growth, operating margin growth, earnings revisions, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of HZO stock.

This week, Francesca’s Holdings Corporation (FRAN) pushes up from a C to a B rating. Francesca’s Holdings Corporation is a womens clothing boutique specializing in trendy clothes, handbags, shoes, jewelry, & gifts. The company also gets A’s in earnings revisions, earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of FRAN stock.

Tilly’s, Inc. Class A (TLYS) improves from a C to a B rating this week. Tilly’s, Inc. Class A engages in the retailing of casual clothing, footwear, and accessories for teens and young adults in the United States. The company also gets A’s in earnings growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of TLYS 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.