Xerox announced its fourth-quarter and full year 2018 financial results.   Xerox recorded $2.53 billion revenue in the fourth quarter, a decrease of 7.8% year-over-year or 6.1% in constant currency, and $9.83 billion full year, a decrease of 4.2% year-over-year or 4.9% in constant currency.   The company reported operating cash flow of $415 million in the fourth quarter, increasing $564 million year-over-year or $83 million year-over-year on an adjusted basis. Operating cash flow of $1.14 billio...