Location: NYSE The prank: Back when the floor of the NYSE was super crowded, if a guy would fall down, other floor brokers and specialists would draw a chalk outline around him.

It wouldn't have been the same on the floor," said Bob Penny, an individual trader of crude oil and sugar who has been in the business for 31 years. "You didn't get price vacuums there.

And, the gamble paid off. By early February, oil prices were up a third, trading above $35 a barrel. By the end of May, oil prices hit $50 a barrel.

The market showed strong signs of investor confidence, reaching a high of 146,053.43 and dipping to a low of 145,250.17 ...

OIL PRICE SWINGS MANIPULATION? LIKELY NOT, SAYS CFTC ... The CBOE, also based in Chicago, followed suit shortly thereafter. CORONAVIRUS FORCES NYSE TO CLOSE TRADING FLOOR, GO ELECTRONIC ...

Some Exxon Mobil Corp. trading staff protested outside the oil giant’s Brussels office Tuesday over a decision by the company to move the trading floor to London, which they say will result in ...