...similar troubles in the coming weeks. Companies are scheduled to report their first-quarter earnings next month. Richard McCabe, chief market analyst at Merrill Lynch, said P&G's struggles with rising costs of materials may have sparked...

...stocks including Colgate Palmolive and Kimberly Clark. Those companies have not issued any warnings about earnings. Richard McCabe, chief market analyst at Merrill Lynch, said P&G's struggles with rising costs of materials may have sparked...