U.S. stocks drifted lower as financial markets locked in their final moves before a highly anticipated update coming Friday about the U.S. job market. The Dow Jones Industrial Average lost 0.3%, and the Nasdaq composite sank 0.8%. Tesla tumbled as the relationship between CEO Elon Musk soured with President Donald Trump, while Procter & Gamble fell after saying it would cut up to 7,000 jobs over the next two years.