U.S. stock index futures pointed to a flat open on Wednesday as traders await Donald Trump's first press conference as president-elect.
On the earnings front, MSC Industrial and Supervalu reported quarterly results before the bell. KB Homes is due to report after the market close.
There are no major economic data releases scheduled on Wednesday though the President-elect's "general news" press conference from the Trump Tower lobby at 11 a.m ET is likely to be closely scrutinized by investors.
In Europe, the pan-European Stoxx 600 index was around 0.18 percent higher on Wednesday. In Asia, the Shanghai Composite in China closed 0.77 percent lower, while the Nikkei in Japan closed 0.33 percent higher.
In oil markets, oil prices were supported by news that Saudi Arabia plans to cut supply to Asia, however, the lack of detail about the reductions capped gains.
Brent crude traded at around $53.86 a barrel on Wednesday, up 0.41 percent, while U.S. crude was around $51 a barrel, up 0.35 percent.