The grades of 3 Internet & Catalog Retail stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Amazon.com, Inc. (AMZN) earns a A this week, jumping up from last week’s grade of B. Amazon.com, Inc. is an online retailer that offers a wide range of products. The company also gets A’s in sales growth, earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of AMZN stock.

This week, Ctrip.com International Ltd Sponsored ADR (CTRP) pushes up from a C to a B rating. Ctrip.com International Ltd Sponsored ADR provides travel services for hotel accommodations, airline tickets, and packaged tours in the People’s Republic of China. The company also gets A’s in sales growth and operating margin growth. For more information, get Portfolio Grader’s complete analysis of CTRP stock.

LightInTheBox Holding Co., Ltd. Sponsored ADR’s (LITB) ratings are looking better this week, moving up to a B from last week’s C. The company also gets A’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of LITB 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.