New Delhi, June 8 -- Indian stock market opened lower on Monday, tracking a sharp selloff across Asian markets amid renewed tensions in the Middle East and a spike in crude oil prices. Fears of an interest rate hike in the US also weighed on global investors' risk appetite.

The BSE Sensex opened 821.73 points, or 1.11%, lower at 73,421.61, while the Nifty 50 opened at 23,080.70, down by 286.00 points, or 1.22%. The Bank Nifty index opened 642.80 points, or 1.18%, lower at 53,853.45.

Selling was broad based, as the Nifty Smallcap 100 and the Nifty Midcap 100 indices declined over 1% each.

Among sectors, Nifty IT, Nifty Metals, Nifty Auto and Nifty Realty slumped over 1.5% each, while Nifty Media and Nifty Pharma witnessed gains.

"There...