The number of unemployed workers applying for jobless benefits tumbled in the most recent weekly data to the lowest level in more than eight years, signaling that employers are letting go of very few workers, MarketWatch reported. Applicants for regular state unemployment insurance benefits in the week ended July 19 dropped by 19,000 to 284,000 - the lowest level since February 2006, according to a report today from the U.S. Labor Department.