>Why is it that as soon as the price of oil goes up, it goes up at the pump immediately, supposedly because they forecast what it will cost them to replenish their stocks. But, when it goes down, as it did today, prices don't go down immediately as well since replenishing their stocks will cost less?
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>http://biz.yahoo.com/ap/080929/oil_prices.html

Because they would not be screwing consumers as well as they normally do.