SINGAPORE (BLOOMBERG) - All three of Singapore's banks are expected to see profit declines for the first time since 2016 as they set aside cash for a potential spike in bad loans stemming from the coronavirus-fueled economic slump. Net income at each lender probably slid between 21 per cent and 28 per cent in the three months ended March 31 from a year earlier, according to the average estimates of six analysts surveyed by Bloomberg. DBS Group Holdings, the nation's largest bank, may post the steepest profit drop when it kicks off earnings season on Thursday (A...