15 Biggest Mid-Day Gainers For Friday By: Benzinga via Benzinga July 14, 2017 at 12:32 PM EDT Celadon Group, Inc. (NYSE: CGI) shares surged 23.4 percent to $2.90. Celadon Group announced the retirement of its CEO Paul Will ... Read More >> Related Stocks: Affimed Ord Shs Biolife Solutions Clearsign Combustion Cornerstone Ondemand Eiger Biopharma Ekso Bionics Holdings Inc Gafisa S.A. Mimedx Group Inc Nutanix Inc Orion S.A. Sangamo Therapeutics