This week, the ratings of 4 Health Care Technology stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Cerner Corporation (CERN) declines this week from a D to a F. Cerner Corporation designs, markets, and installs healthcare information technology, healthcare devices, and content solutions. For more information, get Portfolio Grader’s complete analysis of CERN stock.

This week, Allscripts Healthcare Solutions, Inc. (MDRX) drops from a D to a F rating. Allscripts Healthcare Solutions, Inc. develops and markets clinical software. The company also gets F’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of MDRX stock.

iCAD, Inc. (ICAD) experiences a ratings drop this week, going from last week’s D to a F. ICAD, Inc. is a provider of advanced image analysis and workflow solutions that enable radiologists and other healthcare professionals to better serve patients by identifying pathologies and pinpointing cancer earlier. The company also gets F’s in sales growth, earnings revisions, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of ICAD stock.

HTG Molecular Diagnostics, Inc.’s (HTGM) rating weakens this week, dropping to a F versus last week’s D. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of HTGM 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.