Shares in paints and coatings company PPG (PPG 4.54%) rose by as much as 6.1% in early trading today as investors cheered its first-quarter earnings report and full-year guidance. Given the pressure on the economy due to the uncertainty around tariffs, any company that merely restates its full-year guidance must be looked at positively.A mixed quarter for PPGManagement reiterated guidance for adjusted earnings per share (EPS) of $7.75-$8.05, as an improvement in its performance coatings segment is more than ...