US STOCKS-Futures slightly higher, investors await GDP data
* Citigroup falls in premarket, Fed rejects capital plan
* GDP data on tap, along with jobless claims and home sales
* BofA to pay $9.3 bln to settle mortgage bond claims
* Futures up: Dow 6 pts, S&P 4.8 pts, Nasdaq 7.25 pts
By Ryan Vlastelica
NEW YORK, March 27 (Reuters) - U.S. stock index futures edged slightly higher on Thursday as investors continued to digest the latest out of the crisis in Ukraine and as they looked ahead to data on U.S. fourth-quarter economic growth.
* Equities have been volatile this week, driven by any sign of easing or increasing tension in the biggest conflict between Russia and the United States since the Cold War. While the market was supported by several economic indicators that pointed to improving conditions, investors used the uncertainty as an opportunity to take profits in some of the market's biggest outperformers, especially in the technology and biotech sectors.
* On Wednesday, the U.S. and the European Union agreed to work together to prepare possible tougher economic sanctions in response to Russia's annexation of Ukraine's Crimea territory, including on the energy sector. While Western leaders earlier agreed to hold off on new sanctions unless Moscow takes further destabilizing actions in the region, investors are concerned about the potential fallout to prolonged conflict.
* Citigroup Inc slumped 4.7 percent to $47.80 in premarket trading a day after the Federal Reserve rejected the bank's plans to buy back $6.4 billion of shares and boost dividends, saying the bank wasn't sufficiently prepared to handle a potential financial crisis. A source close to the matter told Reuters that Citi officials had not expected the rejection. Continuación...