https://www.marketscreener.com/quote/stock/ARCA-BIOPHARMA-INC-56870636/news/ABIO-Stock-Alert-Halper-Sadeh-LLC-Is-Investigating-Whether-the-Merger-of-ARCA-Biopharma-Inc-Is-Fa-46349679/?utm_source=telegram&utm_medium=social&utm_campaign=share