By Sam Mamudi and Nikolaj Gammeltoft, Bloomberg | September 17, 2013
NYSE Euronext is looking into whether a software upgrade at a subsidiary disrupted a price feed that briefly halted U.S. options exchanges yesterday.
Look ahead: Economic calendar
S&P 500 could be losing upside momentum
Soybeans battle resistance
Equities recover from sharp loses
How low can corn go?
Binary fair value
Natural gas at an inflection point?
