The MGIC Investment Corp. reported its second straight profitable quarter in 2013 and another increase in new insurance written. While the numbers may not yet indicate a trend, it certainly appears that the Milwaukee-based mortgage insurer is slowly but consistently showing improvement in its performance since posting a net loss of $246.9 million for the same quarter a year ago. MGIC reported net income of $12.1 million in the third quarter and $12.4 million in the second quarter, compared with a net loss of ...