They really delivered Alpha. But can they repeat? By: CNBC.com News June 16, 2014 at 10:11 AM EDT A combination of choppy markets and mixed investment successes promise to make this year's "Delivering Alpha" conference colorful. Read More >> Related Stocks: Arbor Realty Trust Express Scripts Holding Herbalife Ltd QUAIF Qualcomm, Inc. THL Credit Inc Thermo Fisher Scientific Twitter, Inc. USA Quality Factor Ishares Edge MSCI ETF