Experts said investors were unmoved as the rate reduction was already priced in while a weak Asian trend led to the correction.
Metal, banks, financials, auto and capital goods were on the sell list.
The Sensex resumed higher, only to slip to 32,338.38 at 1144 hours, down 138.36 points, or 0.43 per cent.
Coal India tanked 1.74 per cent. SBI, Axis Bank, Tata Steel and HDFC too pulled down the index.
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Findings of a monthly survey released today made mood more downbeat, which showed that services PMI for July fell to its lowest level in nearly four years following implementation of GST.
The Nikkei India Services Purchasing Managers' Index (PMI), a pointer to services output on a monthly basis, plunged to 45.9 in July, the lowest since September 2013, from June's eight-month high of 53.1.
Foreign portfolio investors (FPIs) net purchased shares worth Rs 473.72 crore yesterday, as per provisional data. Domestic institutional investors (DIIs) net sold shares of Rs 232.95 crore.
In the US, the Dow Jones Industrial Average broke above the 22,000 threshold for the first time yesterday.