The lender did well in its third quarter, not least because of growth in high-margin activities.According to data compiled by S&P Global Market Intelligence, Wells Fargo (WFC -2.85%) stock was up by more than 8% week to date as of Thursday night. That was hardly a surprise, as the company delivered quarterly results that beat analyst estimates and pleased investors.A satisfying third quarterOn Tuesday, Wells Fargo -- one of the so-called big four U.S. banks -- took the wraps off its third quarter. For the p ...