well, to me, the financial resources circulating in the world economy is basically a zero-sum game...
right now, china has a lot of financial resources to invest in overseas markets like the United States.
what's happening, to simplify things, is that the United States Treasury is selling bonds to China to finance its stimulus plans...God knows how high the coupon prices of the bonds are. I bet theyre high enough to attract investors.
In the meantime, as investors grab these US Treasury bonds, they pull out from Equities markets (Dow Jones, Nasdaq, etc.)...Then as the listed stocks tremendously lose value, these cash strapped companies in turn try to find ways to raise funds, or worse, ask the US government again to bail them out.
So it's a vicious cycle and things could spiral downwards faster unless some other and better solutions will be done.