For an investor to risk their money in the stock market they seem to look for a opportunity to make 15% in a year. When a stock or the overall market reaches 85% of its value it tends to sell off. In the past the drop from that point would often be 7 to 10 percent. Volatility is not as high as it was, the old standard of 2.5% may be considered a good drop.
The dow at 10981 is 15% below next years earnings.
if Obama wants the market to move up on GM's sales report then the market should be 2.5% below that. This would put the dow at 10700 and give room to run up.
So if we see 10700 just before the GM report then it may be a good time to buy GM or associated stocks.
Of course about the same time some news about Europe will change and the dollar will drop sending the market up. Funny how that seems to happen just in time for elections, GM’s IPO launch, and now maybe for their first report.