Wall Street Wavers as Volatile Week Draws to a Close

WALL STREET - NEW YORK. Wall Street's main indexes swung between gains and losses on the last day of a tumultuous week that rocked the global markets as the low-yielding yen surged and fears of a recession gripped the world's biggest economy.

All major indexes were set for weekly losses, with the S&P 500 and the Nasdaq headed for a fourth straight week of fall.