Investors are heading toward the final month of the year with more questions about the economy than they had just a few weeks ago. The uncertainty, which follows some downbeat reports on housing and employment, will likely mean choppy trading, especially as volume dwindles during the holiday season. In this week, which will be abbreviated due to Thanksgiving, investors will look to reports on home sales, unemployment and consumer confidence and the start of the holiday shopping season on Friday for more insight into the direction of the economy. The government also will revise its early estimate of the gross (1 comments)