Hint: Giving jitters to stock markets around the world.
Answer: Dubai World
Dubai World is an investment company that manages and supervises a portfolio of businesses and projects for the Dubai government across a wide range of industry segments and projects that promote Dubai as a hub for commerce and trading. It is the emirate's flag bearer in global investments and has a central role in the direction of Dubai's economy. Assets include DP World which caused a storm when trying to take over six US ports, and Nakheel, its property arm, which built The Palm Islands and The World developments. It is chaired by Sultan Ahmed bin Sulayem.