Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga July 01, 2015 at 08:09 AM EDT Chubb Corp (NYSE: CB) shares climbed 33.53 percent to $127.00 in pre-market trading after ACE Limited announced its plans to buy ... Read More >> Related Stocks: Alarm.com Alder Biopharma Chubb Corp Chubb Limited TravelersCompanies