The fresh price falls in Europe came as investors were looking to see how far U.S. authorities would go to shore up the banking sector, particularly fragile regional lenders. REUTERS/Dado Ruvic/Illustration/File Photo 1 2CDS surge on banking sector turmoilUBS CHALLENGESThe global banking sector has been shaking since the sudden collapse this month of SVB and Signature Bank. But the worries spread quickly, and on Sunday UBS (UBSG.S) was rushed into taking over Swiss rival Credit Suisse after it lost the confidence of investors. Separate sources told Reuters that UBS has promised retention packages to Credit Suisse wealth management staff in Asia to stem a talent exodus. Standard Chartered (STAN.L) Chief Executive Bill Winters said on Friday the wipeout of Credit Suisse bondholders had "profound" implications for global bank regulations.

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