2. U.S. futures flat: U.S. stock futures were holding steady after Thursday's sharp sell-off, which gathered pace on news that Israel had sent ground troops into Gaza.
The flurry of geopolitical concerns sent the VIX(VIX), a key measure of market volatility to its highest level in three months Thursday.
The Dow Jones Industrial Average lost 161 points, while the S&P 500 was off about 1.2%, and the Nasdaq finished down 1.4%. It was the biggest drop for the Dow in two months, and the S&P's fall is the biggest for the index in three months.
3. Earnings season continues:General Electric(GE) and Honeywell(HON) will report earnings before the opening bell.
Google(GOOGL, Tech30) shares gained 1.7% premarket after the company reported another quarter of surging sales growth. News that Japan's Softbank has hired away Google's global sales chief Nikesh Arora may pique investor interest.