Wall Street's main indexes were set to open higher on Friday after a softer-than-expected jobs report revived hopes of the Federal Reserve cutting interest rates this year, while gains in Apple and Amgen on upbeat corporate updates added support. The Labor Department report showed U.S. nonfarm payrolls increased by 175,000 jobs in April, compared with expectations for an increase of 243,000, according to economists polled by Reuters. The unemployment rate stood at 3.9% compared with expectations