Stock index futures rebounded on Wednesday from three days of losses on stronger-than-expected growth in China, but investors closely watched developments in Europe's debt crisis.

Optimism about the health of the global economy gathered pace after data showed China's economy grew faster than expected in the second quarter, easing fears about a hard landing in the world's second-largest economy.

It raises hopes that China will avoid a hard landing despite five interest rate hikes and another one on the way, said Peter Cardillo, chief market economist at Avalon Partners.

S&P 500 futures rose 8.8 points and were above fair value, a formula that evaluates pricing by taking into account interest rates, dividends and time to expiration on the contract. Dow Jones industrial average futures rose 75 points, and Nasdaq 100 futures added 19.50 points.

A day after the Federal Reserve released minutes from its latest meeting, which suggested the possibility of more stimulus measures, Fed Chairman Ben Bernanke is set to testify before a House of Representatives committee. On Thursday he is due to appear before a Senate panel.

The inability of Washington to find a solution to U.S. debt issues is frustrating investors. President Barack Obama and top U.S. lawmakers fell short on Monday of finding enough spending cuts for a deal to avoid an August 2 debt default, and Republicans came under fresh pressure to agree to tax hikes.

U.S. stocks closed lower for a third straight day on Tuesday as Europe's fiscal woes and a weak start to tech earnings gave investors little reason to buy even after recent losses.

* Marriott International is set to report second- quarter results, with analysts expecting the firm to report earnings per share of 37 cents compared with 31 cents a year ago.

Yum! Brands is also scheduled to release second-quarter results, with earnings per share seen rising to 61 cents from 58 cents a year earlier.

Electronic Arts Inc , the video game publisher, is buying PopCap Games in a deal worth up to $1.3 billion as it tries to ramp up its social and casual games portfolio and better compete with Zynga Inc.

Netflix Inc hiked monthly prices for customers who use both its mail and online services, a move that could steer users toward its growing Internet streaming service.

In Europe, the FTSEurofirst 300 <.FTEU3> index of top shares rose 0.2 percent, with mining shares rallying along with metals prices on encouraging data from China. Japan's Nikkei <.NK225> rose 0.4 percent.

(Editing by Kenneth Barry)

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