This graphic provided by Aetna Inc., shows the new company logo. Health insurer Aetna Inc.'s fourth-quarter net income jumped 73 percent Wednesday, Feb. 1, 2012, as it continued to benefit from low ... more 
This graphic provided by Aetna Inc., shows the new company logo. Health insurer Aetna Inc.'s fourth-quarter net income jumped 73 percent Wednesday, Feb. 1, 2012, as it continued to benefit from low use of health care and some key expenses fell. (AP Photo/Aetna Inc.) less 
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Associated Press | Photo By Aetna Inc.
Wed, Feb 1, 2012 8:07 AM EST