Shares of Pacific Premier Bancorp (PPBI) have gained 5.3% over the past four weeks to close the last trading session at $20.79, but there could still be a solid upside left in the stock if short-term price targets of Wall Street analysts are any indication. Going by the price targets, the mean estimate of$26.08 indicates a potential upside of 25.4%.The mean estimate comprises six short-term price targets with a standard deviation of $3.38. While the lowest estimate of$22 indicates a 5.8% increase from the ...