US stocks fluctuate | Two major pharmaceutical companies compete for the acquisition of Avadel Pharmaceuticals (AVDL.US), which has risen more than 20%

According to the Zhtng Cijng APP, on Friday, the stock price of American sleep medication developer Avadel Pharmaceuticals (AVDL.US) rose, with the stock rising over 20% to $23.215 as of the time of publication. The company announced on Friday that Danish pharmaceutical company Lundbeck has submitted an unsolicited acquisition proposal, with a highest offer of $23 per share, significantly higher than the previous highest offer of $20 per share made by Irish biotechnology company Alkermes (ALKS.US).