pIn the week ending Oct. 10, the Dow Jones Industrial Average plummeted 18 percent, leaving it down 40 percent from its high in October 2007. The Samp;P 500 also lost more than 40 percent of its value from the previous year. Almost every asset class, from international stocks to commodities, felt the pain. Hand-wringing and teeth-gnashing ensued. Then by election day, the Dow Jones rebounded 14 percent. But the rally was short-lived as the market resumed a seesaw course./p