Wall Street ekes out positive finish

Wall Street slouched to a positive finish on Friday with all three major stock indices making last-minute moves into positive territory after spending most of the session in the red.The Dow gained less than a tenth of a percentage point to close at 20,821.76 but was up one percent for the week on the back of an extraordinary rally.Leading the Dow's losers was financial behemoth Goldman Sachs, which saw its stock slapped with a "sell" rating from Germany's Berenberg investment bank, which cited t