S&P 500 Movers: COHR, DXCM
15/5 16:22
In early trading on Friday, shares of DexCom topped the list of the day's best performing components of the S&P 500 index, trading up 5.5%. Year to date, DexCom has lost about 8.0% of its value. And the worst performing S&P 500 component thus far on the day is Coherent...