Benzinga's Top Pre-Market Losers

JA Solar Holdings Co (NASDAQ: JASO ) shares dropped 1.76% to $7.82 in pre-market trading after the company reported a loss in the second quarter. Williams-Sonoma (NYSE: WSM ) dipped 1.70% to $56.00 in the pre-market session after the company issued a weak outlook. Campbell Soup Company (NYSE: