Stock markets rebound in early trade: Sensex jumps 546.64 points to 77,210.85; Nifty climbs 169.55 points to 24,067.50. /PTI

Stock markets rebound in early trade: Sensex jumps 546.64 points to 77,210.85; Nifty climbs 169.55 points to 24,067.50. /PTI