Investopedia: Here We Go Again - Markets Continue To Move On Governments

Those who believe that the best government is unobtrusive and nearly invisible have probably ground their teeth to dust by now, but as markets open again on Monday it looks like governments on each side of the Atlantic continue to call the tune in the markets. While Europe tries every trick in the book to keep Greece afloat, politicians in the U.S. seem committed to elbowing each other aside in a rush to drill more holes in the bottom of their boat. 

A Government Shutdown?  
If the politicians in Washington continue to court a government shutdown and play a massive game of chicken with each other, the general public may stop caring and the markets may just decide to install a semi-permanent "knucklehead premium" on U.S. government securities. In the meantime, though, investors should expect another spate of debate, controversy and wall-to-wall talk about whether Congress can come together and agree on another short-term funding measure to keep the government working.

Read more here:
http://stocks.investopedia.com/stock-analysis/2011/Here-We-Go-Again--Markets-Continue-To-Move-On-Governments-TLT-SHY-GLD-DB-UBS-MS-GS0926.aspx