US stock futures slip ahead of the open. Intel plunges

I expect concerns about the Federal Reserve to start weighing on sentiment as the FOMC nears and we could see the start of that now. S&P 500 futures are down 16 points, or 0.4%.

Shares of Intel are the big loser, down 9.4% on lackluster earnings and guidance. On the other hand, shares of American Express rose 6.9% and Visa 1.7%.

The index finished at a high yesterday.