SeaWorld, Macy's, King Digital, Deere, and Amazon are big market movers

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

NYSE

SeaWorld Entertainment Inc., down $9.25 to $18.90

The theme park and entertainment company reported worse-than-expected quarterly financial results and cut its full-year guidance.

Macy's Inc., down $3.29 to $56.47

The department store operator reported a worse-than-expected quarterly profit and cut its full-year sales outlook for stores opened at least a year.

King Digital Entertainment Plc., down $4.21 to $13.99

The maker of the game "Candy Crush" reported second-quarter revenue that fell short of expectations and cut its full-year guidance.

Deere & Co., down $1.99 to $84.49

The farming equipment maker reported a drop in quarterly profit and cut its full-year outlook on weak sales in the U.S. and Canada.

Nasdaq

Amazon.com Inc., up $6.96 to $326.28

The online retailer introduced a credit-card processing device to help businesses accept payments through smartphones and tablets.

Cree Inc., down $4.38 to $44.81

The LED lights and semiconductor maker set its fiscal first-quarter profit and revenue guidance below Wall Street expectations.

Myriad Genetics Inc. down $2.96 to $36.04

The molecular diagnostics company reported better-than-expected quarterly results, but set lower-than-expected guidance.

Canadian Solar Inc., up $6.06 to $31.03

The solar panel maker reported a quarterly profit, topping Wall Street expectations, on a boost in revenue and module shipments.