Moderna (MRNA) shares rallied 13.9% in the last trading session to close at $28.14. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 10.5% loss over the past four weeks.The surge in the stock price occurred after several reports indicated that Moderna had engaged in strategic negotiations with a major pharmaceutical company regarding a potential large partnership or buyout agreement.This biotechnology company ...