Investing.com - The U.S. private sector added more jobs than expected in March, boosting optimism over the health of the labor market. ADP nonfarm payrolls rose by 200,000 last month, ahead of expectations for an increase of 194,000. February's figure was revised down to 205,000 from a previously reported gain of 214,000. Markets use the ADP data as a guide for the government nonfarm payrolls report, which will be released Friday. Economists expect Friday's report to show that the U.S. economy created 205,000 jobs last month.