Dhaka, June 16 -- Turnover on the country's main bourse has crossed Tk 4 billion for the first time in over six weeks, as broad-based gains lifted investor sentiment and pushed the benchmark index higher.

The Dhaka Stock Exchange (DSE) key index rose 59.65 points to close at 4,783, extending a three-day rally amid signs of recovery after a prolonged slump in trading activity. On Sunday, the index had closed at 4,724.

Total turnover reached Tk 4.17 billion, including Tk 405 million traded in block transactions. Prior to Monday, turnover had mostly remained below Tk 3 billion, hitting a low of Tk 2.24 billion on Jun 4.

The rally was driven by strong gains in shares from food and allied, banking, pharmaceuticals, textiles, engineering, an...