US opens up investment in Burma The United States on Wednesday gave the green light to companies to invest in Burma including in oil and gas, in its broadest and most controversial easing -- The United States on Wednesday gave the green light to companies to invest in Burma including in oil and gas, in its broadest and most controversial easing yet of sanctions on the former pariah. -- US companies have been pressing the Obama administration to end restrictions on investment, fearing they will lose out to European and Asian competitors that already enjoy access to the potentially -- All US companies that invest more than $500,000 in Burma will be required to file reports to the State Department each year that show -- and that the United States should have insisted on reforms in governance and human rights before opening up investment. -- Obama voiced concern about the role of the military and said that the United States would continue to ban investment in companies owned by the defence ministry or armed groups. -- Burma's parliament is considering a new investment law and a series of other measures aimed at liberalising the economy, which was left in