The Sensex at the Bombay Stock Exchange today fell by over 26 points in early trade due to profit-booking by funds and speculators after yesterday's rally amid a weak Asian trend. The 30-share barometer declined by 26 points, to 20,932, with stocks of banking, IT, auto and metals sectors leading the fall. The index had gained 249 points in the previous session. The wide-based National Stock Exchange index Nifty moved down by 8 points, to 6,233.