By Noele Illien, Oliver Hirt and John O’Donnell ZURICH (Reuters) – Credit Suisse plans to raise 4 billion Swiss francs ($4 billion) from investors, cut thousands of jobs and shift its focus from investment banking towards rich clients as the bank attempts to put years of scandals behind it, sending its shares sliding. Chairman Axel Lehmann dubbed the plan a “blueprint for success”, but it fell flat with investors after the bank’s unexpected 4 billion Swiss franc third-quarter loss. Its stock price, which has hit record lows in the past few weeks, fell as much as 18.6% by the close of trading, …