The IT index bore the brunt after Infosys slashed its full-year revenue guidance, which triggered a massive sell-off in the technology sector pack, where the fall was across the board.
Risk sentiment soured further after a gunman ploughed a truck into a crowd in France, killing at least 80 people, which roiled European shares.
China offered a glimmer of hope as second quarter GDP grew at 6.7 per cent, which somewhat cushioned the impact of the twin blow. Another record closing in US markets offered relief too, dealers said.
For the week, the Sensex rallied 709.60 points, or 2.61 per cent, while the NSE Nifty surged 218.20 points, or 2.62 per cent.
Infosys plunged 8.81 per cent to Rs 1,072.25 after it cut full-year revenue guidance to 10.5-12 per cent in constant currency terms despite a 13.4 per cent growth in consolidated net profit at Rs 3,436 crore for the June quarter.
As a result, the BSE IT index plunged 5.35 per cent while the technology index took a hit of nearly 3.94 per cent.
The 30-share Sensex crossed the key 28,000-level on sustained foreign capital inflows and higher Asian markets, tracking another record closing in the US, but could not hold on to it for long.
It slipped into the red soon after Infosys results and settled lower 105.61 points, or 0.38 per cent, at 27,836.50.
The 50-issue Nifty too ended at 8,541.40, a loss of 23.60 points, or 0.28 per cent.
Coal India, NTPC, GAIL, ICICI Bank, Hero MotoCorp, Dr Reddy's, ONGC, ITC and Power Grid all ran up losses.
RIL ended 0.61 per cent higher as participants raised their bets ahead of quarterly earnings later in the day.
Broader markets were mixed, with the BSE small-cap falling 0.74 per cent and mid-cap advancing 0.09 per cent.
The buying momentum continued for foreign portfolio investors as they net bought shares worth Rs 869.84 crore yesterday, showed provisional data of the stock exchanges.
As many as 11 out of the 30-share Sensex pack ended
lower.
"Global cues were positive early in the day, with Chinese Q2 GDP figures beating estimates, but risk appetite withdrew as day progressed, as reports of Nice terror attack weighed on European stocks, and reversed a recovery in sterling," Anand James, Chief Market Strategist, Geojit BNP Paribas Financial Services.
The market breadth turned negative as 1,679 stocks ended in the red, 997 stocks closed in the green while 200 stocks ruled steady. Total turnover went up to Rs 3,913.55 crore from Rs 3,097.36 crore yesterday.
