U.S. shareholders of Credit Suisse Group AG sued the Swiss bank on Thursday, claiming that the bank defrauded them by concealing problems with its finances. The proposed class action accuses Credit Suisse of deceiving investors by failing to disclose that it was suffering from “significant” customer outflows, and that it had material weaknesses in its internal controls over financial reporting. Shareholders led by Braden Turner said that as the truth became known, and Credit Suisse’s largest shareholder said it would not put more money into the bank, investors fled, causing losses as Credit Suisse’s stock price sank ... (full story)