Winnebago Industries Inc. today reported a 52.6 percent increase in net income for its fiscal second quarter, which ended on March 1. Net income was $9.6 million, or 35 cents per share, up from $6.3 million, or 22 cents per share, in the second quarter a year ago. Net revenues were $228.8 million, up from $177.2 million a year ago. Net income for the first six months of the fiscal year was $20.7 million, up from $13.7 million for the first six months a year ago. The company said that earnings growth in the second quarter was driven by motor home unit growth. For more information, click here.