The ratings of three diversified utilities stocks are down this week, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

TECO Energy, Inc. (TE) ratings are on the decline this week as the company earns an F (“strong sell”). Last week, it received a D (“sell”). TECO Energy is an energy-related holding company with businesses engaged in regulating electric and gas utility operations, coal mining, and unregulated electric generation. TE also rates an F in Portfolio Grader’s specific subcategory of Sales Growth. The stock’s trailing PE Ratio is 26.80. To get an in-depth look at TE, get Portfolio Grader’s complete analysis of TE stock.

Alliant Energy Corporation (LNT) is on the decline this week, earning a D (“sell”) after receiving a C (“hold”) last week. Alliant Energy provides regulated electricity and natural gas services to residential, commercial, and industrial customers in the Midwest region of the United States. The stock also rates an F in Cash Flow. Shares of the stock are changing hands at twice the rate they were a week ago. For more information, get Portfolio Grader’s complete analysis of LNT stock.

The rating of DTE Energy Company (DTE) declines this week from a C to a D. DTE Energy provides electricity and natural gas sales, distribution and storage services throughout southeastern Michigan. To get an in-depth look at DTE, get Portfolio Grader’s complete analysis of DTE 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.