Concur Technologies (NASDAQ:

) shares moved up 18.15% to $127.37. The volume of Concur Technologies shares traded was 4961% higher than normal. Concur agreed to be acquired by SAP (NYSE:

) subsidiary, SAP America, for $129 per share. Dresser-Rand Group (NYSE:

) surged 11.06% to $81.11. The volume of Dresser-Rand Group shares traded 867% higher than normal. Dresser-Rand shares gained on report of $85 per share bid from Siemens (OTC:

). Rockwell Collins (NYSE:

) shares climbed 4.09% to $80.98. The volume of Rockwell Collins shares traded was 345% higher than normal. Rockwell Collins announced financial outlook for fiscal year 2015 and expanded its share repurchase program by $500 million. E. I. du Pont de Nemours and Company (NYSE:

) shares rose 0.84% to $71.80. The volume of DuPont shares traded was 199% higher than normal. BGC Partners upgraded DuPont from Hold to Buy.