 Myovant Sciences NYSE: MYOV stock is skyrocketing over 30 today on news that the British biopharmaceutical company has received a buyout offer. MYOV stock surged as much as 31 in premarket trading after confirming media reports that it has rejected an offer from its largest shareholder, privately held Sumitovant Biopharma, to buy the shares it doesnt already own for 22.75 each. 