DexCom (DXCM) shares consolidating in a narrow range below the monthly value high and above the 55-EMA with room above $560 for a run at new highs. The measured move on a breakout target $640 and with MACD and RSI both starting to turn bullish, plenty of room to run. DXCM is a best-of-breed name that broke out of a big weekly range in July on earnings and holding up well above VWAP from that day.