Credit Suisse plunged on Monday as fears mount over the financial health of the Swiss bank. Its shares fell by about 10%, after the bank's boss failed to reassure investors. Last week, chief executive Ulrich Koerner insisted in a memo to staff that Credit Suisse's financial position was solid. It comes ahead of a restructuring plan due when the bank reports results at the end of October. -->Sources close to the bank confirmed a report in the Financial Times that executives at the Swiss bank spent much of the weekend seeking to calm key stakeholders about its financial strength. https://www.bbc.com/news/business-63117352?at_medium=RSS&at_campaign=KARANGA A Credit Suisse spokesperson refused to comment.