WASHINGTON (MarketWatch) -- The Labor Department's estimate of the productivity of U.S. nonfarm businesses in the second quarter is due for release at 8:30 a.m. Eastern. Economists polled by MarketWatch expect productivity to decline 0.4% in the second quarter from a 2.8% rise in the first quarter. Output has slowed down and hours worked did not grow much in the April-June period, economists said. Unit labor costs are expected to rebound from a 1.3% drop in the first quarter.
