NEW YORK Stock index futures pointed to a lower start for Wall Street, with futures for the S&P 500 down 0.1 percent, Dow Jones industrial average futures down 0.2 percent and Nasdaq futures down 0.2 percent by 5 a.m..

U.S. shares ended higher on Thursday for the first time in over a week, though equities were off their earlier highs at the close.

Some caution was likely to linger, after data showed China's export growth slowed in May, raising questions over the outlook for global growth.

U.S. data scheduled for release include May's import and export prices at 8:30 a.m..

Import prices are expected to record their first monthly decline since June 2010, down 0.7 percent compared to a gain of 2.2 percent in April. Export prices are expected to show a rise of 0.3 percent, slowing from four straight months of gains above 1 percent.

Other data include May's budget deficit figures at 2 p.m..

In company news, UBS AG is looking at least four potential sites in Manhattan as it considers relocating its North American investment banking headquarters into the heart of New York City from suburban Connecticut, sources familiar with the bank's plans told Reuters.

Google Inc has bought online advertising technology company AdMeld for $400 million, according to an influential technology blog.

Morgan Stanley and its China partner Huaxin Securities launched their joint venture on Friday, joining several other rivals looking to cash in on the country's booming investment banking business.

U.S. drugmaker Pfizer

won EU regulatory clearance on Friday to acquire Danish medical services company Ferrosan's consumer healthcare business from Altor 2003 Fund Ltd.

The Financial Times reported that Kohlberg Kravis Roberts & Co and TPG decided not to bid for a stake in Nokia Siemens Networks after failing to agree on a price and level of control over the company.

On the economic front, German Finance Minister Wolfgang Schaeuble urged parliament to back additional aid for Greece but said private creditor participation in a new package for the heavily indebted euro zone member was unavoidable.

South Africa is set formally to nominate former Finance Minister Trevor Manuel for Managing Director of the International Monetary Fund, Emerging Markets magazine reported, ahead of the last day for nominations on Friday.

In the commodity market, Brent crude rose to $120 a barrel for the first time in five weeks on better-than-expected trade deficit data from top consumer United States and supply worries after OPEC failed to agree on an output hike.

European shares on the FTSEurofirst 300 <.FTEU3> dipped in early trade, on track to record its sixth straight week of losses.

(Reporting by Harpreet Bhal; Editing by Hans Peters)