Credit Suisse shakes up leadership at struggling investment banking unit

ZURICH (Reuters) - Credit Suisse on Monday appointed David Miller, the bank's global head of credit, to take charge of its floundering investment banking and capital markets business.Miller, who joined Credit Suisse in 2000, has been charged with improving the performance of the business, which saw a 6% drop in third quarter revenue reflecting a sharp fall in advisory fees for mergers and acquisitions.Switzerland's second-biggest bank has seen its market share in big mergers and acquisitions..