Rosneft Chief Executive Igor Sechin said on Saturday that U.S. energy companies were the main beneficiaries of the closure of the Strait of Hormuz and that Washington was trying to change the fundamental contours of the global energy markets to suit U.S. interests. Iran blockaded the Strait, the main route for about a fifth of world oil supplies and other vital goods including fertilisers, after the United States and Israel attacked Iran and killed Supreme Leader Ayatollah Ali Khamenei in