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

PartnerRe (NYSE: PRE) provides multi-line reinsurance to insurance companies on a worldwide basis through its wholly owned subsidiaries. PRE also gets A’s in Analyst Earnings Revisions, Earnings Surprises, and Cash Flow. The stock currently has a trailing PE Ratio of 7.6. The stock has a dividend yield of 2.5%. Shares of the company have increased 14.5% since the start of the year. This is better than the 11.4% seen by the S&P 500 for the same period. For more information, get Portfolio Grader’s complete analysis of PRE stock.

Montpelier Re Holdings (NYSE: MRH) is the holding company of Montpelier Reinsurance. MRH also gets A’s in Analyst Earnings Revisions and Earnings Surprises. The stock’s current trailing PE Ratio is 9.8. The price of MRH has gone up 17.4% since the beginning of the year. For more information, get Portfolio Grader’s complete analysis of MRH stock.

Nortek Inc.

(NASDAQ: NTK) is a diversified manufacturer and distributor of building products for residential, light commercial, and commercial applications. The price of NTK is up 99.3% since January 1. For more information, get Portfolio Grader’s complete analysis of NTK stock.

Smith & Wesson (NASDAQ: SWHC) provides products and services for safety, security, protection, and sport. SWHC also gets A’s in Earnings Growth, Analyst Earnings Revisions, Earnings Surprises, Equity, Operating Margin Growth, and Sales Growth. Shares of the stock have risen 115.8% since the first of the year. For more information, get Portfolio Grader’s complete analysis of SWHC 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.