[ad_1] <br><img src="https://images.mktw.net/im-79460587" /><br>Lawsuits increase questions concerning the validity of the star rankings system. <br>[ad_2] <br><a href="https://www.marketwatch.com/story/flaws-of-the-medicare-advantage-quality-ratings-exposed-in-insurance-company-lawsuits-224fad9b?mod=mw_rss_topstories">Source link </a>