One-Letter Stock Tickers: Who's Who on the Exchange

Attention Brain Mart shoppers, the aisles are now stocked with fresh market trivia! Come spend your fake coins in Karen's worldly quiz about famous marketplaces. Learn about the real origin of the ubiquitous plastic shopping bags. Companies with one-letter stock market symbols, and Chris finally finds out why this little piggy went to the market, but that little piggy stayed home. ALSO: "Spot the Impostor!"

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