Wall Street futures are leaning lower in Friday's pre-bell hours as traders brace for the release of personal consumption expenditures data for November, which serves as the Fed's preferred measure of underlying inflation.

November data on Personal Income and Outlays in the US will be released at 8:30 am ET. Personal income is seen up 0.4% during the month, with a 0.5% increase in outlays.

In the futures, the S&P 500 was down 0.8%, the Nasdaq fell by 1.3% and the Dow Jones was 0.5% lower.

Asian exchanges closed in the red, while most European bourses were also down midday.

Early movers include Nike (NKE), which was down 3.5% premarket, after posting declines in fiscal Q2 earnings and revenue.

Carnival (CCL, CUK) and Winnebago Industries (WGO) are set to release their quarterly reports within the day.

Also on the economic calendar, the consumer sentiment report will be released at 10 am ET and the Baker Hughes rig count at 1 pm.

In premarket action, Bitcoin traded at $94,318.75, West Texas Intermediate crude oil traded at $68.62, and 10-year US Treasuries offered 4.55%. Spot gold traded for $2,605.21 an ounce.