TYSONS CORNER, Va.--(BUSINESS WIRE)--Cardinal Financial Corporation (NASDAQ: CFNL) (the “Company”) today reported that second quarter of 2015 earnings increased 59% from a year ago, to $13.4 million, or $0.40 per diluted share, compared to $8.4 million, or $0.26 per diluted share, for the quarterly period ended June 30, 2014. For the six month year to date period, earnings increased 113%, and was $27.1 million, or $0.82 per diluted share, compared to $12.7 million, or $0.39 per diluted share, f