Indian stock market, Sept. 19 -- The equity market benchmark indices, Sensex and Nifty 50, are expected to open on a cautious note on Friday amid worries over US tariffs, despite strong cues from global markets.

Asian markets traded higher, while the US stock market rallied, with all three major Wall Street indices posting record-high closes.

On Thursday, the Indian stock market extended its rally and ended higher after the US Federal Reserve cut benchmark interest rates by 25 bps on expected lines and hinted at two more rate cuts this year.

The Sensex gained 320.25 points, or 0.39%, to close at 83,013.96, while the Nifty 50 settled 93.35 points, or 0.37%, higher at 25,423.60.

"The favorable sentiment across the key sectors would keep...