Reuters Quote: US STOCKS-Wall St opens higher ahead of Fed statement
* Fed statement at 2 p.m. ET; Yellen conference at 2:30 p.m. * Weekly mortgage application falls 5.5. pct * FedEx down after results * Indexes up: Dow 0.29 pct, S&P 0.26 pct, Nasdaq 0.29 pct (Updates to open) By Tanya Agrawal June 17 (Reuters) – Wall Street opened moderately higher on Wednesday ahead of…