AT&T Inc. (T, Financial) has shown notable resilience during the recent market turmoil, with the stock steadily climbing and almost matching the S&P 500's performance. After years of underperformance, its shares are finally on an upward trajectory, highlighted by a 5.20% surge following the announcement of second-quarter results. Although revenue fell short of expectations and adjusted earnings per share barely met analysts' forecasts, investors rewarded AT&T for its improving margins and free cash flow tra ...