On November 18, domestic institutional investors (DIIs) net bought shares worth Rs 2,331 crore, while foreign institutional investors (FIIs) net sold shares worth Rs 1,403 crore. The Sensex closed down 241 points at 77,339, and the Nifty fell 79 points to 23,454, with 1,560 shares advancing and 2,361 declining. Year-to-date, FIIs have net sold Rs 2.84 lakh crore, whereas DIIs have net bought Rs 5.54 lakh crore in shares.