Citi downplays Indosat merger after rumor doubled share price CitiGroup Building. Photo: Mint Harry Suhartono February 11, 2019 PremiumThe stock has doubled in a month on deal speculation. Citigroup Inc. says a merger would make no sense for Indonesia’s PT Indosat. Continue reading this story with a subscription to DealStreetAsia. Subscribe Already a subscriber? Log in Should your colleagues be reading this article too? Contact us for corporate subscriptions at email@example.com.