Asia Stocks Head for Biggest Drop in 7 Weeks Amid Broad Declines

``Foreign investors were net sellers of Japanese stocks for a 12th straight week in the period ended March 25, according to data released Thursday by Japan Exchange Group Inc. Prime Minister Shinzo Abe said Tuesday that the best way to boost Japan's economy is to quickly implement the existing budget for the next fiscal year, rejecting speculation he would announce a supplementary spending package.''