Stocks open sharply lower on Europe concerns By: CNBC.com News October 15, 2014 at 09:30 AM EDT U.S. stocks opened sharply lower on Wednesday as European concerns and weak economic data weighed heavily on markets. Read More >> Related Stocks: American Express Bank of America BlackRock Citigroup General Electric Goldman Sachs Group Intel Corp JPMorgan Chase & Co Morgan Stanley Netflix Sentinelone Inc Cl A Wells Fargo eBay