KARACHI, Aug 24 (APP): National Bank of Pakistan (NBP) has posted a higher consolidated profit after tax of Rs 7.878 billion during the half year ending June 30, 2010.According to financial results of the bank despatched to Karachi Stock Exchange here on Monday, the consolidated pre-tax profit has surged to Rs 11.708 billion compared to Rs 9.743 billion in the same period last year.The earning per share also soared to Rs 5.86 during the period under review as against Rs 4.70 in the corresponding period in 2009. – APP