Why DexCom Stock Is Crashing Today

Investors are worried about the diabetes care technology leader's slowing growth.Shares of DexCom (DXCM -40.46%) were crashing 39.9% lower as of 10:20 a.m. ET on Friday. The huge sell-off came after the continuous glucose monitoring (CGM) systems maker announced its second-quarter results following the market close on Thursday.DexCom's revenue increased 15% year over year in Q2 to $1 billion. However, that came in a little below the average revenue estimate of $1.04 billion based on LSEG's survey of analyst ...