Avidity Biosciences, Inc. (NASDAQ:RNA) is one of the Best Performing Long Term Stocks According to Analysts. On September 10, Avidity Biosciences, Inc. (NASDAQ:RNA) announced positive one-year data for its, del-zota, in the EXPLORE44 and EXPLORE44-OLE trials for Duchenne muscular dystrophy patients amenable to exon 44 skipping. Management noted that the data show a reversal of disease progression and significant functional improvements compared to baseline and natural history. Del-zota works by delivering ...