New Delhi, July 25 -- The Indian stock market extended decline on Friday, with the benchmark indices, Sensex and Nifty 50, falling over half a percent each weighed down by selling in auto, metals, banks, IT and energy sectors.

The BSE Sensex dropped 0.78% to 81,539.97, while the NSE Nifty 50 slipped 0.86% to 24,844.45. The Bank Nifty shed 0.62% to 56,710.15. Broader markets also reeled under selling pressure as the Nifty Smallcap 100 and the Nifty Midcap 100 indices were down over 1% each.

Bajaj Finserv, Bajaj Finance, Shriram Finance, Bajaj Auto, Hero MotoCorp, Eternal, PowerGrid Corporation of India and Jio Financial Services were among the top Nifty 50 losers.

"The near-term market construct has turned weak. Sustained FII selling of...