JPMorgan Chase is scheduled to report third-quarter earnings before the opening bell Tuesday. Here's what Wall Street expects: JPMorgan will give investors a view into how U.S. consumers and corporations fared in the third quarter. If, as analysts expect, the major trends of the year continue — robust trading revenue, momentum in the Wall Street mergers-and-IPO rebound, and a resilient consumer — the bank's bumper year will likely continue. So far this year, the biggest American banks have