Trading in the U.S. index futures suggests that Wall Street stocks may open Monday’s session on a nervous note. Global cues are mixed, with Asian stocks closing mostly lower, as Chinese manufacturing activity data spooked investor sentiment. Meanwhile, the European markets are seeing mixed sentiment despite better than expected manufacturing activity data. Rate fears could predominate the minds of traders, as the markets look ahead to some key economic data that has significance for monetary policy. Personal spending and national manufacturing activity data due for the day could have an impact on the domestic markets, even as global growth concerns weigh down.