By Brenna Hughes Neghaiwi ZURICH (Reuters) -State Street Corp said on Thursday it is not looking to buy Credit Suisse, in its first outright dismissal of a Wednesday morning report that it was seeking a deal. U.S.-listed shares in Credit Suisse were last trading down 3.7% after falling as much as 8.4% following reports of the U.S. company’s denial. State Street shares were last up 0.2% after spiking as much as 3% higher. Credit Suisse shares had spiked higher on Wednesday afternoon and State Street shares lost ground, with traders citing a report by Swiss financial news blog Inside Paradeplatz…