Nervous customers at Credit Suisse, the No. 2 Swiss bank, have withdrawn about $84 billion and moved it to rival banks since the beginning of October over uncertainty about the bank's financial health and fears of imminent collapse during its longest-ever run of share losses. The bank's shares have fallen to 30-year lows and Credit Suisse said it expected a pre-tax loss of up to $1.6 billion in the fourth quarter of 2022 in its fourth profit warning since January. On Thursday, Dec. 1, shares were 40 percent lower than when the bank announced a radical restructuring in late October. The bank is trying to recover from a series of scandals by focusing on its flagship wealth management franchise and cutting back investment banking, Reuters reported. This could trigger speculation of a takeover or lead to the partial sale of its domestic unit, JPMorgan analysts said Thursday. "Should outflows be ongoing …