DexCom Beats Views, Raises Guidance, But Shares Are Down Posted byKate Stalter June 3, 2021 Leave a comment on DexCom Beats Views, Raises Guidance, But Shares Are Down DexCom (NASDAQ: DXCM), which makes glucose monitoring systems, is still slogging through a correction that began in August. However, analysts remain optimistic about the stock’s prospects.