• Insiders say move is part of wider internal review, not country-specific, as evidenced by UAE’s decision to quit Opec bloc • PTCL says it is not aware of any change in shareholders’ plan ISLAMABAD: A leading business group from the Middle East is said to be in the process of reviewing its exposure to Pakistan’s telecom sector, as part of a broader portfolio optimisation exercise that could potentially lead to its exit from the Pakistan Telecom­muni­cation Company Ltd (PTCL). Background disc...