US equity futures were flat before Wednesday's opening bell as traders digested strong results from Alphabet (GOOG, GOOGL).

Dow Jones Industrial Average futures slipped 0.2%, S&P 500 futures flatlined, and Nasdaq futures were up 0.1%.

Oil prices were higher, with front-month global benchmark North Sea Brent crude up 2.1% at $72.22 per barrel and US West Texas Intermediate crude 2.2% higher at $68.65 per barrel.

Private payrolls based on ADP Institute's Employment Report, released at 8:15 am ET, rose by 233,000 in October following a 159,000 revised increase in September, which compares with estimates compiled by Bloomberg for a 111,000 gain.

Q3 gross domestic product growth, released 8:30 am ET, came in at a 2.8% annual rate versus Q2's 3% growth and estimates for 2.9% increase.

The Pending Home Sales Index, due at 10 am ET, is seen rising by 1.9% in September following a 0.6% gain in August.

In other world markets, Japan's Nikkei closed 1% higher, Hong Kong's Hang Seng ended 1.6% lower, and China's Shanghai Composite finished 0.6% lower. Meanwhile, the UK's FTSE 100 was down 0.6%, and Germany's DAX index fell 1.2% in Europe's early afternoon session.

In equities, shares of Alphabet were up more than 6% pre-bell after the company reported late Tuesday higher Q3 earnings and revenue that also topped estimates from analysts polled by Capital IQ. Reddit (RDDT) stock was 22% higher after the company overnight swung to Q3 net income on higher revenue.

On the losing side, HomeStreet (HMST) shares were down 30% after the company failed to secure regulatory approvals for its pending merger with FirstSun Capital (FSUN).