Shares of Regions Financial, the largest holder of deposits in Middle Tennessee and a stock still widely held here by virtue of its First American roots, are up more than 4 percent in a second day of positive trading after the bank reported better-than-expected Q2 results Tuesday morning. Regions' $284 million in profits last quarter amounted to 20 cents per diluted share, 4 cents more than analysts had expected. Analysts also like the look of the company's loan trends.