Wall Street sold off sharply today as concerns about a weakening credit market wiped out US investors' enthusiasm about strong retails sales during the holiday weekend.

Wall Street shook off early uncertainty to close moderately higher today as a series of mixed economic reports managed to make investors more optimistic about the chances for an interest rate cut.

Wall Street gave up a moderate gain in late trading and closed marginally lower today after the Federal Reserve and other central banks added more cash to their banking systems, helping investors set aside some concerns about credit tightness.

Wall Street closed out a difficult week with a mixed finish tonight after the Federal Reserve injected billions of dollars into the banking system to calm markets torn by worries about evaporating credit.

Wall Street finished an erratic session mixed today with the Dow Jones industrials reaching a third straight record close despite concerns about corporate profits and the impact of falling oil prices.

Upbeat reports from the Federal Reserve and DuPont lifted US stocks for a second day in a row today, pushing the Standard & Poor’s 500 past 1,300 for the first time since May 2001.