KUALA LUMPUR, Oct. 31 -- Indonesian President Prabowo Subianto's brother has stressed the urgent need for transparency in the domestic equity market, warning that Jakarta must "mitigate the MSCI issue" and demanding that corporate leaders immediately stop "deep frying" stocks.

"I've been tasked by the president to help ensure this doesn't spiral out of control," Hashim Djojohadikusumo said in Jakarta, speaking in his capacity as the president's special envoy and advisory board chairman of the Indonesian Chamber of Commerce and Industry (Kadin), according to Bloomberg.

"This is a very, very serious issue," Hashim said. "Because if foreign investment pulls out of our stock market, the rupiah could weaken further. We'll have to pay more fo...