Following are our trading ideas for our Daily Trader portfolio for August 8th, 2014. These are short-term trading ideas that are normally closed either the same day or in next few days. DexCom Inc. (DXCM) Direction: Long Entry: 44.08 Stop: 42.20 Target: 45.84 Pattern: Expanding Breakout YY Inc. (YY) Direction: Long Entry: 86.10 Stop: 84.04 Target:…