 Credit Suisse Group AG NYSE:CSs share price shot up on reports that a Saudi Arabian prince and US private-equity firm are looking to invest upward of US1bn into its new investment bank. Having moved to spin off its First Boston brand, which could separate the bank from losses and legal issues, Credit Suisse has seen interest from prince Mohammed bin Salman and former Barclays PLC LSE:BARC chief executive Bob Diamond, according to the Wall Street Journal. 