I'll call back later tadalista 10 mg reviews While the shutdown itself is unlikely to cause major disruption in the markets, a fight over the debt ceiling could. In the last two days of the debt-limit standoff of August 2011, the New York Stock Exchange lost 11.2 percent of its value, and the deadlock led to a downgrade of the U.S. credit rating "AA " from "AAA" by Standard & Poors.