Shares of Amazon.com dipped about 8.3% in pre-market trading after the company reported weaker-than-expected operating margins. AMZN reported its Q4 net income of 91 cents per share, up from 85 cents in the year-ago quarter. The company's sales advanced 36% year-over-year to $12.95 billion. However, analysts expected earnings of 88 cents per share on revenue of $13 billion. Amazon projects Q1 revenue within a range of $9.1 billion to $9.9 billion, compared with analysts' estimates of $9.3 billion. The company expects its operating income to be between $260 million and $385 million, or an operating margin of 2.9% to 3.9%. However, analysts were projecting operating margin of 5% for the same period.

Microsoft (MSFT) reported its FQ2 earnings at $6.63 billion, or 77 cents per share, compared with $6.66 billion, or 74 cents per share in the year-earlier period. The company's revenue came in at $19.95 billion, up from $19 billion, in the year-ago period. However, analysts were expecting earnings of 68 cents per share on revenue of $19.2 billion.
Honeywell (HON) is expected to report its Q4 EPS of 86 cents on revenue of $8.84 billion. Chevron (CVX) is projected to report its Q4 earnings of $2.35 per share on revenue of $55.97 billion.

T. Rowe Price (TROW) is expected to report its Q4 EPS at 68 cents on revenue of $639 million. Ford (F) is expected to post earnings of 48 cents per share on revenue of $30.39 billion in the fourth quarter. American Electric Power (AEP) is expected to post Q4 EPS of 38 cents on revenue of $3.56 billion.

Negative sentiment ruled the European markets today. While STOXX Europe 600 Index has dropped 0.27%, London's FTSE 100 Index moved down 0.76%.

Most Asian markets ended lower, with Japan's Nikkei Stock Average dropping 1.13%, Australia's S&P/ASX 200 moving down 0.70% and China's Shanghai Composite gaining 0.13%.

The dollar index (DXY) gained 0.07% to 77.78 ahead of the data.

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