Banjarmasin, S Kalimantan (ANTARA News) - Singapore is now the biggest investor among 18 countries investing in South Kalimantan with a total investment of US$89.6 million, an investment official said. In total, foreign investment in South Kalimantan reached US$696 million last year with 57 projects, Head of the South Kalimantan Provincial Investment Coordinating Board (BKPMD) Ratna Fatmawati said here on Wednesday.