Domestic stock markets started Wednesday’s session on a positive note, continuing a rally amid optimism on a fast recovery from the coronavirus pandemic-caused slowdown. The S&P BSE Sensex index jumped 290.51 points, or 0.64 per cent, to touch 45,899.02 at the strongest level recorded in early deals, and the broader NSE Nifty 50 benchmark climbed to as high as 13,475.05, up 82.1 points, or 0.61 per cent, from its previous close — both all-time highs. Gains across sectors, led by banking, financial services and IT shares, pushed the markets higher.