(AP) - Among the earnings stories for Thursday, Feb. 21, from The Associated Press:
_ Imax Corp.'s net income doubled in the fourth quarter as the company installed its systems into more theaters and pulled in more money from making Imax movies and converting films to its format.
_ Power utility PG&E Corp. posted a fourth-quarter loss, weighed down in part by the costs of environmental issues related to historic operations and pipeline-related expenses.
_ Integra LifeSciences Holdings Corp.'s fourth-quarter earnings more than doubled as the medical device maker booked revenue growth in all its major businesses and interest expenses declined.
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