 Shares of Regions Financial Corp. RF, -4.68 dropped 4.2 in premarket trading Thursday, to extend its pullback from a 14-year high to a third session, after the regional bank reported fourth-quarter profit that fell below expectations, while revenue matched forecasts. Net income declined to 414 million, or 43 cents a share, from 588 million, or 61 cents a share, in the year-ago period. 