ON Semiconductor Corp. reported a big decrease in net income for its second quarter due to uncertainty in the industry, though it did post an increase in revenue. The Phoenix-based semiconductor company reported net income of $50.7 million, or 12 cents per share, on revenue of $880.5 million for the quarter that ended July 3. This compares with net income of $94.1 million, or 21 cents per share, on revenue of $757.6 million for the second quarter of 2014.