Mumbai (Maharashtra), Aug. 22 -- : Bearish trends gripped the stock market on Thursday as investors awaited clarification on tax proposals for foreign portfolio investors made in the Budget and remained unsure on the stimulus package despite assurances by the government.

The BSE S&P Sensex closed 587 points or 1.6 per cent lower at 36,473 while the Nifty 50 was down by 181 points or 1.7 per cent to 10,738.

Except for IT, all sectoral indices were in the red at the National Stock Exchange. Nifty realty slipped by 6.2 per cent, PSU banks by 3.6 per cent, metal by 3.5 per cent and auto by 1.8 per cent.

Among stocks, realty major DLF plummeted 15.9 per cent to Rs 144.30 per share. Oberoi Realty slipped by 5.6 per cent to wind up at Rs 483.80...