S&P 500

DexCom Inc's, the company that makes continuous glucose monitoring (CGM) systems, stock dropped precipitously, by a whopping 40% - from $107.8 to $64 in a single day. The reason is Bleichmar Fonti & Auld LLP's investigation into DexCom, Inc for potential violations of the … [Read more...] about DexCom Inc (DXCM) Stock Yearly Returns