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

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


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.

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.


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.