The fall was, however, cushioned by wholesale inflation, which kept in the negative zone for the eight straight month.
"CPI rise does not offer the markets much to cheer about it, but it is not at a panic level..." said Anand James, Co Head of Technical Research Desk at Geojit BNP Paribas.
Consumer Price Index (CPI) reported yesterday showed retail inflation surging to a eight-month high of 5.4 per cent in June mainly due to costlier food items.
The 30-share Sensex resumed higher at 27,986.92 and hovered in a wide range of 28,018.59 and 27,853.96 before concluding at 27,932.90, showing a loss of 28.29 points or 0.10 per cent.
The gauge had gained 387.53 points or 1.41 per cent in the previous two sessions.
The 50-share NSE Nifty also moved down by 5.55 points or 0.07 per cent to 8,454.10.
IT, Teck, metal and healthcare shares firmed up on good buying enquiries, while auto, realty and banking sectors tanked heavily.
"...Nuclear deal between Iran and other six major powers which could ease the sanctions against Tehran and would boost oil exports once again, led to further fall in crude oil prices," said Hiren Dhakan, Associate Fund manager at Bonanza Portfolio.
Stocks of state-run oil marketing companies such as HPCL, BPCL and IOC registered gains up to 3.09 per cent following the deal amid a tumbling crude oil price overseas.
Globally, Brent crude tumbled almost 2 per cent and was trading below USD 57 a barrel level.
Key indices in France, Germany and the UK fell in the range of 0.03 per cent to 0.46 per cent.
