Focus on Greater Portland piece on South Portland-based Wright Express, which was sold off last month by Cendant Corporation for nearly three-quarters of a billion dollars in a rare initial public offering (IPO) of a Maine company. Michael Dubyak, Wright Express CEO, is expected to continue to lead the firm, which provides credit cards for vehicle fleets. In its IPO filing, Wright said it plans to expand both its core credit card business and its vehicle maintenance branch. Brad McCurtain of Maine Securities Corp. in Portland thinks the sale will be beneficial to Wright and will also give Maine more credibility on Wall Street. No layoffs are expected for Wright\u27s 611 employees, the vast majority of whom are located in Maine. Detail...