US stock indexes open lower amid quarterly earnings By: CNBC.com News October 09, 2014 at 09:30 AM EDT Stocks dropped Thursday, reclaiming a portion of prior-day gains, as investors considered corporate earnings and a decline in weekly jobless claims. Read More >> Related Stocks: Apple Fastenal Co Gap Infosys Ltd ADR PepsiCo Progressive Corp,Ohio Sentinelone Inc Cl A