[CNBC] Stock futures fall after Walmart cuts forecast, says inflation hit consumer spending
[Reuters] Walmart 'train wreck' profit warning sends shares down 10%
[Reuters] S&P 500 ends choppy session nearly flat; investors eye Fed, earnings
[Reuters] Russia's Gazprom tightens squeeze on gas flow to Europe
[Yahoo/Bloomberg] Morgan Stanley Warns Stock Bulls Deluded by ‘Wishful Thinking’