Billionaire investor Carl Icahn said he is not aware of any probe involving him and golfer Phil Mickelson regarding trades related to Clorox and Dean Foods, and called a report by the Wall Street Journal completely irresponsible.

A firm has been ordered by a New York judge to stop screening a cat litter TV commercial which unfairly seeks supremacy over a competitor.

US stocks fell sharply again today, with the Dow ones industrial average losing more than 123 points after a surprisingly weak reading on the service sector raised concerns about the continuing impact of higher energy prices.

The prospect of a tight race for the presidency – and a repeat of the 2000 court battle – prompted a late selloff on Wall Street tonight, with stocks finishing the session mixed despite a fresh drop in oil prices.

Stocks chalked up modest gains today in unusually light trading before Federal Reserve Chairman Alan Greenspan’s congressional testimony.