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. TE also rates an F in Portfolio Grader’s specific subcategory of Sales Growth. For more information, 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. To get an in-depth look at LNT, get Portfolio Grader’s complete analysis of LNT stock.

DTE Energy Company (DTE) experiences a ratings drop this week, going from last week’s C to a D. DTE Energy provides electricity and natural gas sales, distribution and storage services throughout southeastern Michigan. For more information, 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.