Wall Street gave up a big early advance and closed mixed today after oil prices closed above 100 for the first time and stoked fears that inflation will stymie an already troubled economy.

Wall Street retrenched today, closing sharply lower as investors showed their cautious side and cashed in profits from the market's best week in nearly five years.

Wall Street ended a painful week with another decline today as skittish investors unable to hold on to much optimism about the economy drew little comfort from President George Bush’s stimulus plan.

Wall Street extended its 2008 plunge today, tumbling after a regional Federal Reserve report showed a sharp decline in manufacturing activity and as investors grew concerned that downgrades of key bond insurers could trigger further trouble with souring debt.