Wall Street little changed at open

NEW YORK (Reuters) - Wall Street opened little changed on Tuesday as concerns about global growth weighed on investor sentiment, while shares of Facebook continued their post-IPO slide. The Dow Jones industrial average was up 8.70 points, or 0.07 percent, at 12,513.18. The Standard & Poor's 500 Index was up 4.94 points, or 0.38 percent, at 1,320.93. The Nasdaq Composite Index was up 9.29 points, or 0.33 percent, at 2,856.50. (Reporting By Edward Krudy, editing by Dave Zimmerman)

US stocks open mixed ahead of housing report

U.S. stocks opened mixed ahead of a report expected to signal further gains in the housing market, while Facebook's shares took another fall.

US futures mixed with worrisome news from Asia

U.S. stock futures were mixed Tuesday ahead of a report expected to signal further gains in the housing market, while a downgrade of Japan's credit rating sent an early shudder through the market.