DexCom (DXCM) Surpasses Q3 Earnings and Revenue Estimates Posted byZacks Equity Research October 28, 2021 Leave a comment on DexCom (DXCM) Surpasses Q3 Earnings and Revenue Estimates DexCom (DXCM) delivered earnings and revenue surprises of 43.55% and 6.15%, respectively, for the quarter ended September 2021. Do the numbers hold clues to what lies ahead for the stock?