$DXCM is one of biggest winner #stocks today. read more:

DexCom, Inc. (symbol: DXCM) was one of the biggest winners of the trading
day today (2016-07-19), gaining 6.2%. The number of shares that changed
hands was 2,558,233, or about 2.8 times the average daily volume in the
stock.
The closing price was $83.04, amounting to a market cap of $6,930,000,000,
about -19.6% off the highest price in the last 12 months. The stock has
been trading at a range between $47.92 and $103.29.
DXCM is in the Medical/Dental Instruments industry, part of the Health Care
sector. It first went public in 2005.