Better-than-expected earnings results drove the stock higher today.Shares of Charles Schwab (SCHW 6.90%), the brokerage powerhouse that recently surpassed Vanguard to become the largest brokerage firm by assets under management, were moving higher today after the company posted better-than-expected results in its third-quarter earnings report.As of 1:44 p.m. ET, the stock was up 6.8% on the news. Schwab shines in Q3Like the rest of its industry, Charles Schwab seemed to benefit from the ongoing bull market ...