Six Flags, Hasbro, BB&T, Steel Dynamics, and are big market movers

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Six Flags Entertainment Corp., down $1.69 to $39.31

The amusement park operator reported a jump in second-quarter profit, but its revenue fell short of Wall Street expectations.

BB&T Corp., down $1.57 to $37.33

The financial services company reported a decline in second-quarter profit, with the results falling short of expectations.

CBS Outdoor Americas Inc., up $1.48 to $34.52

The company will buy 1,100 billboards from rival Van Wagner, boosting its position in large cities.

EMC Corp., up $1.35 to $28.33

The Wall Street Journal reported that Elliott Management is pushing the data storage company to break itself up.

Nasdaq

Steel Dynamics Inc., up $2.17 to $20.75

The steel producer said its annual shipping capacity will jump 40 percent with the purchase of a Severstal factory in the U.S.

Hasbro Inc., down $1.43 to $51.78

The toy maker reported a decline in its second-quarter profit and its financial results fell short of Wall Street expectations.

EZCORP Inc., down $1.36 to $9.76

The pawn shop operator shook up its management team and board by removing its CEO, chairman, and a director.

Extreme Networks Inc., up 69 cents to $5.06

The network equipment company raised its financial outlook for its fourth quarter, citing strong results in North America.