Delek US Holdings, Inc. (NYSE: DK) shares doffed 2.4% to $33.60. On Jan. 18, Delek US Holdings and Delek Logistics Partners, LP (DKL) announced that Assi Ginzburg, currently an Executive Vice President for both companies, has been appointed Chief Financial Officer of both Delek US and the general partner of Delek Logistics effective immediately. Share volume was 23,500, compared to an all-day average of 113,100