Selling on Wall Street gained momentum as traders reacted to gloomy economic news, and worried about the impact of the looming hurricane that is forecast to slam the Eastern seaboard this weekend.More headlines from FoxBusiness.com:http://email.foxnews.com/t?ctl=1334E:7469D46E31DAE9CACF44092F3040AA78&------------------------------------------------------------To learn more about all of our