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WalMart has started selling gas at its stores.

• barbecue_sauce 7y ago
  Not only that; it has to fuel its distribution fleet.
  • techsupporter 7y ago
    Walmart trades oil futures for the same reason Southwest Airlines does. During the mid-2000s, Southwest got so good at hedging and futures trading--plus was one of the only airlines that hadn't gone bankrupt so had the cash and credit and good reputation to trade on--that it was routinely called "a commodity desk that happens to fly airplanes."