National Bank of Pakistan reported its profit after tax (PAT) surged by almost 115 per cent to Rs26 billion for the half-year ended on June 30 from Rs12.1bn in the same period last year. The bank posted a profit before tax of Rs47.7bn for the period, about 41pc higher than the same period of last year. With a 18.5pc year-on-year growth in its assets base, the bank achieved Rs6tr milestones i