) -- U.S. stock futures were suggesting Wall Street would open lower Friday after

Federal Reserve

Chairman Ben Bernanke was non-committal in testimony Thursday about the possibilities of additional stimulus measures.

U.S. stocks

on Thursday finished mixed. The

Dow Jones Industrial Average

rose 46 points, or 0.4%, to close at 12,461.

On Friday, European shares were slipping on worries over Spain's banking crisis, while Asian stocks ended the day to the downside. Japan's Nikkei 225 index fell 2.1% to close at 8,459.2.

The economic calendar Friday in the U.S. includes trade balance and wholesale inventories data for April.

Speaking of Spain,


reported Friday the country is expected over the weekend to request European aid for its ailing banks.

The move would make Spain the fourth and biggest country to seek assistance since the eurozone's debt crisis began,


reported, citing EU and German sources.

An attorney for


(AAPL) - Get Report

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said the iPhone maker could file for a temporary restraining order against


as early as Friday to stop the launch of Samsung's new Galaxy S III phone.

Samsung is scheduled to release the S III smartphone in the U.S. on June 21.

Apple asked a federal court on Tuesday to temporarily ban sales of the S III.


(MCD) - Get Report

, the fast-food giant, is expected Friday to report sales for May.

Shares of McDonald's are down 12% year to date.

Deutsche Bank sees opportunity in the weakness, reiterating its buy rating Thursday and $100 price target on McDonald's. The stock fell 28% Thursday to $88.38.

Chesapeake Energy

(CHK) - Get Report

holds its annual meeting on Friday, fresh off granting a request from activist investor Carl Icahn to give shareholders of the struggling oil and gas company four board seats.

-- Written by Joseph Woelfel

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Joseph Woelfel

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