LOS ANGELES--(BUSINESS WIRE)--Health Net, Inc. (NYSE: HNT) today announced 2015 second quarter GAAP net income of $58.4 million, or $0.75 per diluted share, compared with GAAP net income of $120.9 million, or $1.49 per diluted share, for the second quarter of 2014 and $30.0 million, or $0.38 per diluted share, for the first quarter of 2015. In the second quarter of 2015, Health Net incurred approximately $26.4 million of pretax expenses primarily related to its previously announced transaction