Use these periodical indexes to find articles published in newspapers and other news sources:
Access World News for New Jersey newspapers (or papers from other states or from specific countries) (Rutgers-restricted access)
Factiva includes the Wall Street Journal from 1984 to the present, and the New York Times from 2013 to the present (Rutgers-restricted access)
Regional Business News includes NJBiz and Crain's New York Business (Rutgers-restricted access)
There are also hundreds of freely-accessible sources for Industry News and Trade Magazines.