Atai Beckley N.V. (NASDAQ:ATAI) is one of the best debt-free penny stocks to buy right now. On December 23, chief executive officer Srinivas Rao reiterated significant progress in pipeline development and corporate foundation. The remarks followed the company’s addition to the NASDAQ Biotechnology Index. Atai Beckley N.V. (ATAI) Achieves Significant Milestone on Pipeline Development and Corporate Foundation The addition followed the strengthening of the company’s balance sheet with the raising of $300 mi ...