The benchmark Nifty 50 index on Monday closed above the psychological mark of 10,000 for the first time after August 8. The Nifty gained 0.72 per cent, or 71 points to close at 10,006, while the BSE Sensex added 195 points, or 0.61 per cent to close at 31,882.16. The gains were supported by improvement in investor sentiment after an anticipated North Korean missile test failed to materialise and Hurricane Irma struck the US with less force than feared, Bloomberg reported. Safe-haven assets — including gold, the Japanese yen and the Swiss franc — declined, while