Benchmark indices opened on a positive note on Wedensday, May 15. The BSE Sensex opened in the green, up by 222 points, or 0.27 per cent at 81,370. Meanwhile, the NSE Nifty 50 opened in green, up by 57 points, or 0.23 per cent at 24,636. Additionally, the GIFT Nifty is trading in the green at 24,787.50 as of 9:44 am, down 0.21 per cent. The pre-market signal suggests investors are treading cautiously after Tuesday’s bout of profit-taking and ahead of a flurry of corporate earnings. The GIFT Nifty is seen as a reliable early indicator of market sentiment.