This week, these five stocks have the best ratings in Earnings Revisions, one of the eight Fundamental Categories on Portfolio Grader.

Vanda Pharmaceuticals Inc. (VNDA) is a biopharmaceutical company focusing on the development and commercialization of clinical-stage drug candidates for central nervous system disorders, with worldwide commercial rights to two product candidates in clinical development. The company also gets A’s in sales growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of VNDA stock.

Aluminum Corporation of China Limited Sponsored ADR Class H (ACH) is a producer of aluminium, with operations in bauxite mining, alumina refining, primary aluminium smelting, and aluminium fabrication. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of ACH stock.

Rice Energy Inc.. The company also gets A’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of RICE stock.

National Storage Affiliates Trust. The company also gets A’s in sales growth, operating margin growth, earnings growth, and earnings revisions. For more information, get Portfolio Grader’s complete analysis of NSA stock.

Agnico-Eagle Mines Limited (AEM) produces, explores for, and develops gold. The company also gets A’s in earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of AEM 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.