Rental car giant Hertz Global Holdings (HTZ) turned in better-than-expected fourth-quarter earnings, thanks to higher prices and its acquisition of Dollar Thrifty Automotive Group. The company guided for 2013 results well over analysts' forecasts, on modest growth in the economy and savings from the takeover. "Our operating strengths and strategic investments are expected to help yield breakout results from 2013 through 2015 in the forms of