A packet of envelopes <a href=" http://www.moda-inc.com/no-hair-loss-after-stopping-propecia.pdf ">cheap propecia prescription</a> Clearinghouses stand between trading partners and guaranteetrades. By removing the credit risks associated with tradecounterparties, central clearing is the first step to openingthe market to new competition. Open trading platforms that hookinto clearing will now enable any investor to trade with anyother, and to bypass the banks as intermediaries.