This is what could ruffle markets in week ahead By: CNBC.com News June 13, 2014 at 18:41 PM EDT Market volatility is likely to pick up next week, as focus shifts to the Fed. Yet, the conflict in Iraq will also dominate the market if oil prices go higher. Read More >> Related Stocks: Darden Restaurants FedEx Corp JPMorgan Chase & Co Oracle Corp Twitter, Inc.