Bank stocks weigh on financial sector By: MarketWatch August 02, 2011 at 14:46 PM EDT Principal Financial stands as best performer in a sector with very few gainers after Senate votes to pass its debt-ceiling bill and Obama signs into law. Read More >> Related Stocks: American Express BB&T Corp Bank of America Capital One Financial Chubb Corp Chubb Limited Citigroup Comerica E Trade Financial FINANCIAL SEL Fifth Third Bancorp Huntington Bancshares JPMorgan Chase & Co Legg Mason Principal Financial Group Radian Group Inc Standard & Poors 500 SunTrust Banks TravelersCompanies Zions Bancorp