Bad news from the banks, so why are shares soaring? April 2nd, 2008 Switzerland’s biggest bank, UBS, announced its sub-prime-related losses had doubled to $37bn yesterday, sending it into a quarterly loss for the second quarter in a row. It has raised another $15bn or so in a rights issue to prop up its balance sheet, on top of $13bn already raised from Singaporean and Middle Eastern investors. The chairman, Marcel Ospel, stepped down. Meanwhile, Lehman Brothers, which had been seen as pothttp://persevere.lineages.co.uk/2008/04/02...