A sharp sell-off in Indonesian assets has taken on a political tone online, with some social media users alleging, without evidence, that Singapore stands to gain from a “Sell Indonesia” narrative around Southeast Asia’s biggest economy.The rupiah has slipped to multiple record lows and weakened about 8 per cent this year, crossing a key level and trading above 18,000 to the US dollar last week, while Jakarta’s stock market has lost about a third of its value since the start of the year.As...