New Delhi, Sept. 19 -- The three-day rally in the Indian stock market ended on Friday, September 19, as traders locked in gains. Adding to the cautious sentiment were rising geopolitical concerns after the United States announced the revocation of the sanctions waiver for Iran's Chabahar Port, effective September 29.

Markets opened lower and showed no signs of reversal as the day progressed, with the Nifty 50 closing the session down 0.38% at 25,327, while the S&P BSE Sensex ended 0.47% lower at 82,626. However, both indices posted weekly gains of over 1%.

The broader markets managed to tick higher, with the Nifty Midcap 100 and Nifty Smallcap 100 rising 0.17% and 0.12%, respectively. For the week, both indices surged nearly 3%.

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