UnitedHealth, IBM, Netflix, Advanced Micro Devices and Acacia are big market movers

Industrials Associated Press

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

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NYSE

UnitedHealth Group Inc., up $3.70 to $109.32

The nation's largest health insurance company reported a boost in fourth-quarter profit that beat Wall Street expectations.

IBM Corp., down $4.86 to $152.09

The technology company reported a drop in fourth-quarter profit on declining revenue and gave a disappointing 2015 outlook.

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Eldorado Gold Corp., down $1.57 to $6.21

The gold and metals mining company said it had record gold production in 2014, but it expects production to drop in 2015.

Insperity Inc., up $4.90 to $41.24

Activist hedge fund Starboard Value disclosed it has taken a 13.2 percent stake in the human resources outsourcing company.

Nasdaq

Netflix Inc., up $60.48 to $409.28

The Internet video company reported a boost in quarterly profit on subscriber growth, beating Wall Street expectations.

Advanced Micro Devices Inc., up 21 cents to $2.45

The chipmaker reported a fourth-quarter loss on lower revenue and hefty charges, falling just short of Wall Street expectations.

CA Technologies Inc., down $1.73 to $29.94

The maker of IT management software reported better-than-expected quarterly profit, but revenue fell short of forecasts.

Acacia Research Corp., down $2.58 to $13.39

A California court ruled against the patent-holding company in a patent infringement case that included Apple Inc. and Verizon.

Puma Biotechnology Inc. , down $25.07 to $191.90

The biotechnology company said it will publicly offer 1 million shares of its common stock.