This week, 3 Internet & Catalog Retail stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Acorn International, Inc. Sponsored ADR (ATV) boosts its rating from a C to a B this week. Acorn International, Inc. Sponsored ADR is an integrated multi-platform marketing company that operates TV direct sales businesses and a nationwide distribution network in the People’s Republic of China. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of ATV stock.

1-800-FLOWERS.COM, Inc. Class A (FLWS) improves from a C to a B rating this week. 1-800-FLOWERS.COM, Inc. Class A provides customers around the world with the freshest flowers and finest selection of plants, gift baskets, gourmet foods and confections, and plush stuffed animals perfect for every occasion. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of FLWS stock.

This week, Mecox Lane Ltd. Sponsored ADR (MCOX) pushes up from a C to a B rating. Mecox Lane Ltd. Sponsored ADR operates an Internet commerce website. The company also gets A’s in earnings growth and free cash flow. For more information, get Portfolio Grader’s complete analysis of MCOX 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.