Arena Pharmaceuticals soared nearly 90% in premarket trading as it entered into an Agreement and Plan of Merger with Pfizer<blockquote>Arena Pharmaceuticals 与辉瑞达成协议并计划合并,在盘前交易中飙升近 90%</blockquote>
Arena Pharmaceuticals soared nearly 90% in premarket trading as it entered into an Agreement and Pla