New Delhi, June 2 -- The Indian stock market is expected to extend losses and open lower on Tuesday as investors remain cautious amid uncertainties over the US-Iran peace talks. The trends on Gift Nifty also indicate a gap-down start for the Indian benchmark indices.

The Gift Nifty was trading around 23,267 level, a discount of nearly 195 points from the Nifty futures' previous close.

The domestic equity market indices ended lower for the fourth consecutive session on Monday, with the benchmark Nifty 50 slipping below 23,400 level.

The Sensex cracked 508.40 points, or 0.68%, to close at 74,267.34, while the Nifty 50 settled 165.15 points, or 0.70%, lower at 23,382.60.

On the Nifty options front, Chandan Taparia, Head Derivatives & Tec...