(Reuters) -Credit Suisse Group AG is discussing slashing thousands of jobs globally, Bloomberg News reported on Thursday, citing people familiar with the matter. Hours after the news, Fitch Ratings cut Credit Suisse’s rating and kept a negative outlook for the bank, joining Moody’s Investors Service, which earlier this month had downgraded Switzerland’s second-biggest bank. Credit Suisse has named restructuring expert Koerner as CEO to scale back investment banking and slash costs to help the bank recover from a string of scandals and losses. The Swiss bank is expected to finalize plans over t…