Futures little changed ahead of payrolls report

U.S. stock index futures were little changed on Friday ahead of the monthly payrolls report, with the S&P 500 on track for its best week out of seven as investors digested the latest batch of earnings. * Investors will look to the January employment report for signs of strength in the labor market and possible indications on the timing of a rate hike from the U.S. Federal Reserve. Nonfarm payrolls are expected to show an increase of 234,000 last month after advancing by 252,000 in December,