Business

After spending much of the year on the rise, gas prices are now falling. The average price for a gallon of regular gas nationwide is $3.73, according to AAA. That's a drop of nearly 20 cents in one month, and industry analysts expect the price to keep falling.

You can get in a lot trouble trying to predict commodity prices, though. Phil Flynn, a market analyst at futures brokerage PFGBEST in Chicago, says there is one thing you can predict.

JPMorgan Chase is licking its wounds after announcing that it lost at least $2 billion in a hedging strategy that went terribly wrong. The announcement late Thursday sent the bank's shares tumbling more than 9 percent on Friday.

Meanwhile, regulators on both sides of the Atlantic have begun looking into what happened. And there were calls Friday for tighter restrictions on the kind of trades the bank engaged in.

What just happened?

JPMorgan Chase, the biggest bank in America, announced that it lost $2 billion on a massive trade placed out of its London office.

What was the trade?