no_limit_pictures My Thesis Update I initiated coverage on Pfizer (NYSE:PFE) stock with a "Buy" rating, stating that the company's low valuation and strong product pipeline make it the ultimate buying opportunity for income investors in the healthcare sector. In early May, I updated my thesis, noting that the market started to finally wake up on PFE's prospects of continued growth from non-COVID drugs and potential margin expansion. Back in May, I anticipated that PFE's dividend stability, recent revenu ...