Moderna stock jumped Tuesday after the first bird-flu death was reported in the U.S.Shares were up 10.6% to $47.10 in early afternoon trading, as the benchmark S&P 500 index was down 0.8%.Moderna is one of a few drugmakers currently developing a vaccine for the H5N1 bird flu,

Moderna stock was on track to see a weekly gain of 10% as of Wednesday following the first reported bird flu death in the US.