Here's a short story:

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. (End of story)

Provide your best guess for the following question. Give ONLY the guess, no other words or explanation.

For example:

Guess: <most likely guess, as short as possible; not a complete sentence, just the guess!>

Here are a few examples of questions and answers:

Question: Who is the biggest creditor of the U.S.?
Guess: China

Question: Is the U.S. the second largest economy in the world?
Guess: No

Question: Which is it?
Guess: the biggest

Question: Who is the Premier of China?
Guess: Wen Jiabao

Question: Is he comfortable with the Chinese investments in the U.S.?
Guess: No

Question: What does China have most of its money in?
Guess: low-risk but low-yield assets

Question: What is an example of that?
Guess: U.S.government bonds

Question: How much does it currently have in that particular investment?
Guess: 681.9 billion U.S. dollars

Question: Does the U.S. agree that China should be worried about its money?
Guess: No

Question: Who has a contrary opinion?
Guess: Lawrence Summers

Question: Who is that?
Guess: director of the U.S. National Economic Council

Question: Does anyone else share Lawrence's views?
Guess: Yes

Question: Who else?
Guess: Barack Obama

Question: Is he Speaker of the House?
Guess: No

Question: What's his official title then?
Guess: U.S. President

Question: Does Obama believe the U.S. should loosen financial regulations?
Guess: No

Question: Who has the U.S. recently been in disagreement with?
Guess: Europe

Now answer the following question in the same format.

Question: What about?

whether more focus should be placed on financial regulatory reform