Do you know the number for ? <a href=" http://pup.com/revatio-and-dialysis.pdf#kitten ">o que oe revatio</a> As the budget battle heats up, the lack of angst among investors was reflected in a fall in the CBOE Volatility Index .VIX, Wall Street's favorite measure of fear. It ticked down to 13.12 on Friday and has posted three straight weeks of losses for a total drop in that period of 23 percent.