Domestic share markets started the week on a strong note, with the BSE Sensex posting a fresh all-time closing high. The BSE benchmark index Sensex gained 222 points, or 0.61 per cent, to settle at 36,718 while the NSE Nifty ended at 11,084, up 74 points or 0.68 per cent - its highest close since January 29. During the session, the Sensex registered a fresh all-time high of 36,749, surpassing the last all-time intraday high of 36,747 recorded on July 18.