Skip to navigationSkip to main contentSkip to right columnADVERTISEMENTLaiba ImmadWed, June 24, 2026 at 3:26 PM GMT+2 2 min readWe recently compiled a list of the 10 Best Weight Loss Drug Stocks to Buy in 2026. Merck & Co., Inc. (NYSE:MRK) is one of the best weight loss drugs on this list.TheFly reported on June 18 that MRK announced that the U.S. Food and Drug Administration (FDA) granted an expanded approval for Capvaxive, extending its use to children and adolescents between 2 and 17 years old. The updated indication applies to pediatric patients who have completed their initial pneumococcal vaccination series and have chronic health conditions that increase their vulnerability to pneumococcal disease. With this authorization, Capvaxive becomes the only pneumococcal conjugate vaccine (PCV) in the United States specifically evaluated and approved for this patient group.Is Ormat Technologies, Inc. (ORA) The Best Alternative Energy Stock to Buy Now?In another major operational breakthrough, on June 12, Merck & Co., Inc. (NYSE:MRK) announced that the U.S. Food and Drug Administration (FDA) approved KEYTRUDA and KEYTRUDA QLEX, its anti-PD-1 therapies, in combination with WELIREG for the adjuvant treatment of adults with clear cell renal cell carcinoma (ccRCC) at an increased risk of recurrence after surgery. The approval marks the first use of WELIREG in earlier-stage ccRCC and the first authorization of a PD-1 and HIF-2α inhibitor combination therapy. The decision was supported by results from the Phase 3 LITESPARK-022 trial, which showed the combination reduced the risk of recurrence, metastasis, or death by 28% compared with KEYTRUDA plus placebo in eligible patients.Merck & Co., Inc. (NYSE:MRK) is a global healthcare company expanding its obesity pipeline through early-stage GLP-1 and dual agonist therapies. While it lacks a marketed weight-loss drug, its metabolic research and strong pharmaceutical portfolio make it a potential long-term obesity market contender.While we acknowledge the potential of MRK as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.READ NEXT: 33 Stocks That Should Double in 3 Years and 15 Stocks That Will Make You Rich in 10 Years Disclosure: None. Follow Insider Monkey on Google News.Terms and Privacy PolicyEU DSA contactPrivacy & Cookie SettingsMore Info