WASHINGTON, March 14 (Xinhua) --U.S. President Barack Obama confirmed on Saturday at the White House that China can have confidence in the American economy. "Not just the Chinese government, but every investor can have absolute confidence in the _ of investments in the United States," Obama said. "There is a reason why even in the midst of this economic downfall you have seen actual increases in investment flows here in the U. S.,"he said. Obama also noted the U. S. will push for stricter regulation of the financial industry "front and center" at the upcoming Group of 20Summit  in London ,ending an argument between the Europe and the United States over whether more focus should be placed on financial regulatory reform. Chinese Premier Wen Jiabao said earlier Friady he is "a little bit worried "about the safety of Chineseassets  in the United States ,urging the U. S. government to ensure the security of those assets. China has invested its hugeforeign exchangereserves  in low-risk but low-yield assets ,such as U. S.government bonds  ,to play it safe . According to the U.S. Treasury, China held 681.9 billion U.S. dollars  worth of U.S. government bonds as of November. "China is indeed the largest creditor of the United States, which is the world' s biggest economy .We are extremely interested in developments in the U. S. economy."said Wen, adding that he is expecting the effect of the measures taken by the U.S.government to counter the global financial crisis. Asked to react to Wen' s concern, Lawrence Summers, director of the U.S. National Economic Council, noted on Friday that the U.S. will be soundsteward of the money it invests. "This is a commitment that the president has made very clear--we need to be sound stewards of the money we invest."said Summers in a speech at the Brookings Institution, a leading think tank in the united states. It can most likely be inferred from the passage that  _  .
the U. S. is now having great difficulty improving the economy. China will have confidence in Obama forever according to Wen's speech China held 681.9 billion U.S. dollars worth of U.S.government bonds as of November China will do its best to help the U.S. overcome the global financial crisis.