The grades of 19 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”).

Randgold Resources Limited Sponsored ADR (GOLD) earns a A this week, jumping up from last week’s grade of B. Randgold Resources Limited Sponsored ADR explores for and mines gold in West and Central Africa. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of GOLD stock.

This week, Reliance Steel & Aluminum Co. (RS) pushes up from a B to a A rating. Reliance Steel & Aluminum Co. operates as a metals service center company in North America. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of RS stock.

The rating of Royal Gold, Inc. (RGLD) moves up this week, rising from a C to a B. Royal Gold, Inc. acquires and manages gold, silver, copper, lead and zinc royalties. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of RGLD stock.

Newmont Mining Corporation (NEM) boosts its rating from a B to a A this week. Newmont Mining Corporation acquires, explores and develops mineral properties. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of NEM stock.

Ternium S.A. Sponsored ADR’s (TX) ratings are looking better this week, moving up to a B from last week’s C. Ternium S.A. Sponsored ADR is a steel company that makes flat and long steel products for customers engaged in the construction, home appliances, capital goods, container, food, energy and automotive industries. The company also gets A’s in earnings growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of TX stock.

Ryerson Holding Corporation (RYI) is seeing ratings go up from a B last week to a A this week. The company also gets A’s in earnings revisions, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of RYI stock.

This week, Tahoe Resources Inc.’s (TAHO) ratings are up from a C last week to a B. Tahoe Resources Inc. acquires, explores and develops resource properties in the Americas for the mining of precious metals, primarily silver. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of TAHO stock.

Sibanye Gold Ltd. Sponsored ADR (SBGL) improves from a B to a A rating this week. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of SBGL stock.

SunCoke Energy Partners LP (SXCP) shows solid improvement this week. The company’s rating rises from a C to a B. The company also gets A’s in operating margin growth, earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of SXCP stock.

Pretium Resources Inc. (PVG) gets a higher grade this week, advancing from a B last week to a A. Pretium Resources Inc. acquires, explores and develops gold and precious metals resource properties. For more information, get Portfolio Grader’s complete analysis of PVG stock.

This is a strong week for Coeur Mining, Inc. (CDE). The company’s rating climbs to A from the previous week’s B. Coeur Mining, Inc. explores, develops, operates, and/or owns silver and gold mining properties and companies. The company also gets A’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CDE stock.

NovaGold Resources Inc. (NG) shows solid improvement this week. The company’s rating rises from a B to a A. NovaGold Resources Inc. explores and develops mineral properties in North America. For more information, get Portfolio Grader’s complete analysis of NG stock.

The rating of Vale S.A. Sponsored ADR (VALE) moves up this week, rising from a C to a B. Vale S.A. Sponsored ADR is a Brazil-based metals and mining company that engages in the exploration, production and sale of basic metals. The company also gets A’s in earnings surprise and earnings momentum. For more information, get Portfolio Grader’s complete analysis of VALE stock.

This is a strong week for New Gold Inc. (NGD). The company’s rating climbs to A from the previous week’s B. New Gold Inc. acquires, explores, and develops gold properties. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of NGD stock.

IAMGOLD Corporation (IAG) is seeing ratings go up from a B last week to a A this week. IAMGOLD Corporation is involved in the exploration for, and development and production of mineral resource properties throughout the world. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of IAG stock.

Platinum Group Metals Ltd. (PLG) improves from a C to a B rating this week. Platinum Group Metals Ltd. acquires, explores, and develops platinum properties. The company also gets A’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of PLG stock.

Turquoise Hill Resources Ltd.’s (TRQ) ratings are looking better this week, moving up to a B from last week’s C. Turquoise Hill Resources Ltd. explores for and develops mineral and metal properties in Asia and Australia. The company also gets A’s in operating margin growth, earnings growth, earnings revisions, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TRQ stock.

This week, B2Gold Corp.’s (BTG) ratings are up from a B last week to a A. For more information, get Portfolio Grader’s complete analysis of BTG stock.

Almaden Minerals Ltd. (AAU) boosts its rating from a B to a A this week. Almaden Minerals Ltd. engages in the acquisition, exploration, and development of mineral properties in Canada, the United States, and Mexico. For more information, get Portfolio Grader’s complete analysis of AAU 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.