The overall ratings of four durable goods stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Cavco Industries, Inc.’s (CVCO) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. Cavco Industries designs and produces factory-built homes, which are mainly sold to a network of retailers throughout the continental United States. The stock currently has a trailing PE Ratio of 58.80. For a full analysis of CVCO stock, visit Portfolio Grader.

The rating of Sodastream International Ltd (SODA) slips from a C to a D. SodaStream International manufactures home beverage carbonation systems, which enable consumers to easily transform ordinary tap water instantly into carbonated soft drinks and sparkling water. As of Jan. 3, 2014, 40.6% of outstanding Sodastream International Ltd shares were held short. To get an in-depth look at SODA, get Portfolio Grader’s complete analysis of SODA stock.

The rating of NACCO Industries, Inc. Class A (NC) declines this week from a C to a D. Nacco manufactures and markets forklift trucks and related service parts, as well as mines and markets lignite coal for use as a fuel in power generation by electric utilities. For more information, get Portfolio Grader’s complete analysis of NC stock.

Brookfield Residential Properties (BRP) gets weaker ratings this week as last week’s C drops to a D. Brookfield Residential Properties operates as a land developer and homebuilder in North America. The stock also rates an F in Earnings Surprise. For a full analysis of BRP stock, visit Portfolio Grader.

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.