Stock markets close on a flat note: Sensex edges up 1.44 pts to 77,186.87, Nifty dips 5.75 pts to 24,072.75. /PTI

Stock markets close on a flat note: Sensex edges up 1.44 pts to 77,186.87, Nifty dips 5.75 pts to 24,072.75. /PTI