https://pennystocks.com/featured/2021/03/29/3-penny-stocks-on-robinhood-to-buy-under-4-right-now/ 3 Penny Stocks On Robinhood To Buy Under $4 Right Now Includes: Trinity Biotech plc (NASDAQ: TRIB ) Kaixin Auto Holdings (NASDAQ: KXIN ) Salem Media Group Inc. (NASDAQ: SALM )