Karachi (Staff Report): The Pakistan Stock Exchange started the week with bullish trend as the benchmark KSE-100 index gained 631.48 points, 1.24 per cent to reach 51,373.51 points.

Only 53.46 million shares had changed hands by the end of the session, with a total worth of nearly Rs9 billion.

Most activity was seen in commercial banking stocks as trading volumes remained lower than average.

Stocks of 395 companies were traded, of which 237 gained in value, 148 declined and 10 remained unchanged.