StockNews.com initiated coverage on shares of Tantech (NASDAQ:TANH – Free Report) in a report published on Tuesday morning. The firm issued a sell rating on the basic materials company’s stock. Tantech Stock Down 1.5 % Shares of Tantech stock opened at $0.64 on Tuesday. Tantech has a 52-week low of $0.52 and a 52-week high […] Read this story