1. ABVX stock rises due to takeover speculation by Eli Lilly. 2. The stock has surged over 1,500% in the past six months. 3. Positive trial results for obefazimod boost investor confidence. 4. Eli Lilly's acquisition strategy includes recent bond issuance. 5. Abivax shares up 4.28% at $128.30 amid market interest.