1. The 'Sell' rating on CVS Health has performed well, with the stock down over 20% in total shareholder return. 2. The healthcare benefits business faces margin contraction and higher loss ratios due to unfavorable policy terms. 3. Earnings expectation downgrades counteract CVS' low valuation compared to peers. 4. Bears dominate the long-term technical charts for CVS versus the S&P 500. 5. A potential breakup of CVS Caremark could unlock value but may also lead to more leadership attrition.