The Sensex at the Bombay Stock Exchange gained 88 points to trade at 32,521 in late morning deals. The 30-share index surged 254 points to touch an all-time high of 32,687 in the opening trade. The Nifty was also trading 32 points up at 10,199 a short while ago. Earlier, the 50-share index scaled new peak of 10,242 in early trade.The rupee appreciated by another 25 paise to 64.68 against the US Dollar in early trade today. On Friday, the rupee had gained 15 paise to end at a fresh three-week high of 64 rupees 93 paise on easing macro worries coupled with record-setting domestic equities.