Stock Market News: JPMorgan Chase (NYSE:JPM), Citigroup Inc. (NYSE:C), Goldman Sachs Group (NYSE:GS), Wells Fargo (NYSE:WFC), Cisco (NASDAQ:CSCO)

Federal prosecutors, working with securities regulators, are conducting a preliminary criminal probe into whether several major Wall Street banks misled investors about their roles in mortgage-bond deals, according to a person familiar with the matter. The banks under early-stage criminal scrutiny, JPMorgan Chase (NYSE:JPM), Citigroup Inc. (NYSE:C), Deutsche Bank AG and UBS AG, have also received civil subpoenas from the Securities and Exchange Commission as part of a sweeping investigation of banks’ selling and trading of mortgage-related deals, the person says. Under similar preliminary criminal scrutiny are Goldman Sachs Group (NYSE:GS) and Morgan Stanley. -The Wall Street Journal China may allow the yuan to appreciate versus the dollar by the end of May as a thriving economy and an easing of tensions with the U.S. create the conditions…