Morning Market Gainers

Piedmont Natural Gas Company, Inc. PNY shares jumped 36.12 percent to $57.52, after the company agreed to be acquired by Duke Energy Corp DUK for $ 4.9 billion in cash. Banco Macro SA (ADR) BMA shares climbed 23.42 percent to $55.94, after the company received a consensus broker rating score of 2.00, representing Buy, from three brokers. Ctrip.com International, Ltd. (ADR) CTRP shares surged 27.74 percent to $95.02, after the company agreed to a share swap and partnership with China's largest online travel network, Baidu Inc (ADR) BIDU. Pep Boys-Manny Moe and Jack PBY spiked 22.67 percent to $14.95, following a rally on news of the company being acquired by Bridgestone. Grupo Financiero Galicia S.A. (ADR) GGAL rose 17.09 percent to $24.86, after the company reported industry-leading revenue growth and robust gross margins. Lendingtree Inc TREE shares surged 15.88 percent to $113.56, after the company reported its quarterly results ahead of expectations. Qunar Cayman Islands Ltd QUNR shares rose 13.28 percent to $44.76, after Baidu exchanged shares of the company for newly-issued ordinary shares of Ctrip. Ardelyx Inc ARDX shares gained 12.62 percent to $17.85, after the company presented clinical data for its lead product candidate, tenapanor, at the 2015 American College of Gastroenterology (ACG) Annual Meeting. Aptose Biosciences Inc APTO shares rose 12.05 percent to $4.65, after the company's President and CEO presented at the 2015 BIO Investor Forum on October 20. Transportadora de Gas del Sur SA (ADR) TGS rose 10.85 percent to $5.18, ahead of the company's quarterly earnings report.