Investors in U.S. railroad stocks, who have been punished in 2015 by an accelerating decline in high-margin coal shipments, now are pinning their long-term hopes on a resurgence in consumer spending. Their bet is that a strengthening economy will produce enough demand that railroads will be able to replace the income lost to years of declining coal use with so-called intermodal shipping – the movement of containers stuffed with clothing, furniture and other consumer goods. Thanks to environmental rules regulating power plant emissions, coal use has declined steadily since peaking in 2008. So far this year, freight volumes have tumbled 9.2 percent as low energy prices encouraged utilities to switch to burning cheaper natural gas, while the strong U.S. dollar has hurt exports. The accelerated decline this year has […]