EghtesadOnline: The windfall from being the world’s largest exporter of liquefied natural gas has allowed Qatar to amass about $335 billion of investments around the world through its sovereign wealth fund. Now, a diplomatic spat with neighboring countries threatens to hamper the Qatar Investment Authority ’s ability to continue making headline-grabbing global deals.

EghtesadOnline: Qatar Investment Authority , the Middle Eastern country’s sovereign wealth fund, bought a near 10 percent interest in Empire State Realty Trust, owner of New York’s Empire State Building, as it boosts investments in North America and the Asia Pacific region.