A volatile session was seen at the Pakistan Stock Exchange (PSX), with the benchmark KSE-100 erasing intraday gains on Tuesday to close with a loss of 66 points at 40,725.

The index opened higher and touched a day's high of 41,353 before beginning to shed points, hitting a low of 40,692 points before the day's close.

Around 167 million shares worth Rs9.7 billion were traded. Of the 366 scrips traded in the day, 147 advanced, 202 declined and 17 remained unchanged.

The engineering sector dominated the day's trading with 33.6m shares traded.

Volumes were led by:

Aisha Steel Mill: 15.2m shares traded [+5.83pc]

TRG Pak Ltd: 11.0m sahres traded [-2.02pc]

Dost Steels Ltd: 9.5 m shares traded [+3.73pc]

Inter.Steel Ltd: 7.1m sahes traded [-3.39]

Pak Elektron: 6.3m shares traded [+3.11pc]