Wall Street closed out a bumpy week with a moderate advance today as tech stocks charged higher on takeover news and other sectors gained on data that indicated the US economy is expanding at a healthy pace. The major indexes managed to post gains for the week.

Stocks turned higher in New York today, regaining most of the ground they lost in the previous session following a bright first-quarter outlook from semiconductor maker Advanced Micro Devices and upgrades of oil services stocks.

Wall Street stumbled through a listless session today, closing modestly lower as reports on industrial production and business inventories failed to satisfy investors who had bet on a quick economic rebound.