PHILADELPHIA—What will dampen nationally syndicated host Dan Celia’s continued optimism for the economy? Only if it “could possibly appear that President Trump may not win the election,” says the biblical investing authority. “I feel very, very good about the upcoming year from a market standpoint—and, more importantly, from an economic standpoint,” Celia said to kick off the year. “But as we see and hear all the optimism about 2020 and the markets, everything will be totally...