BERLIN (Reuters) -The Swiss government on Friday announced new rules for the nation’s five major banks, requiring that they boost their liquidity in order to better weather events such as the COVID-19 pandemic in future. “The revision is intended to ensure that systemically important banks (SIBs) hold sufficient liquidity to absorb liquidity shocks and cover their needs in the event of restructuring or liquidation,” the Swiss Federal Council said in a statement announcing the adoption of the ordinance. One change is that banks deemed systemically important now have to hold enough liquidity to …