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

Richmont Mines Inc. (RIC) improves from a C to a B rating this week. Richmont Mines Inc. owns and operates the Francoeur, Beaufor and East Amphi mines located in Quebec, the Nugget Pond and Hammerdown mines in Newfoundland, and the Island Gold Mine in Ontario. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of RIC stock.

DRDGOLD Limited Sponsored ADR’s (DRD) ratings are looking better this week, moving up to a B from last week’s C. DRDGOLD Limited Sponsored ADR engages in the exploration, extraction, processing, and smelting of gold in South Africa. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of DRD stock.

Asanko Gold, Inc. (AKG) boosts its rating from a C to a B this week. Asanko Gold, Inc. is a gold development company focusing on near term gold production. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of AKG 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.