For the current week, the overall ratings of three diversified utilities stocks are worse, according to the Portfolio Graderdatabase. 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. For Portfolio Grader’s specific subcategory of Sales Growth, TE also gets an F. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. To get an in-depth look at TE, get Portfolio Grader’s complete analysis of TE stock.

Alliant Energy Corporation’s (LNT) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. 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 gets 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.

DTE Energy Company (DTE) is having a tough week. The company’s rating falls from a C to a D. DTE Energy provides electricity and natural gas sales, distribution and storage services throughout southeastern Michigan. For a full analysis of DTE 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.