An envelope <a href=" http://www.dellasalle.ca/purchase-lioresal.pdf ">purchase lioresal online </a> The standoff rattled global markets and threatened the image of U.S. Treasury debt as a risk-free place for governments and investors to store trillions of dollars in reserve. Few expected a default but some investors sold Treasurys over concern about possible payment delays and put off buying stocks that might be exposed to an American economic downturn.