Bloomberg Royal Bank of Scotland Group Plc, Britain’s largest taxpayer-owned lender, said some of its biggest trading clients must pay interest on collateral as a consequence of low central bank interest rates. Some of the bank’s institutional clients will need to pay interest on funds pledged as collateral when trading futures contracts, the bank said in an e-mailed statement. …

  Bloomberg US investment bank JPMorgan will include Islamic bonds, or sukuk, in its emerging markets indices for the first time from later this year, widening the appeal of Islamic instruments among global debt investors. JPMorgan, which runs the most widely used benchmarks of emerging market debt, will include eight sukuk across its index family starting Oct. 31. The decision …

  Bloomberg After a five-year austerity drive, Thai Airways International Pcl is ready to expand again. The carrier plans to add routes and buy new, more fuel-efficient aircraft to replace aging jets, President Charamporn Jotikasthira said in an interview in Bangkok. The airline, which last ordered planes in 2011, is drawing up a 10-year plan through 2027 that will include …