US markets dip as Fed meeting looms

(Close): US stock markets dipped in nervous Monday trading as investors braced for the US interest rate meeting later this week.

The Dow Jones fell 0.38% to 16,370.96, while the S&P 500 shed 0.41% to 1,953.03 points.

The tech-heavy Nasdaq declined by 0.34% to 4,805.76 points.

Shares in Apple added 0.96% on news that pre-orders for its new iPhones, due this month, could beat last year's record for new handsets.

The company said: "Customer response to iPhone 6s and iPhone 6s Plus has been extremely positive and pre-orders this weekend were very strong around the world."