Caution returned to Wall Street today as investors gave back some gains from last week’s rally even as they found encouragement from President-elect Barack Obama’s calls for an economic stimulus package

Wall Street showed further signs of stability today, rebounding from an early sell-off to end higher, after the US government said it would assist troubled US carmakers.

A disheartened Wall Street fell for the third straight session today as investors absorbed another series of dismal corporate reports and news that the US government would not buy banks’ soured mortgage assets after all.

Wall Street had another astounding advance today, with the Dow Jones industrials soaring nearly 900 points in their second-largest point gain ever as late-day bargain hunters stormed into the market.