Bajaj Auto shares ended the day at Rs 2,119.70, up 5.10 per cent from its previous close on the BSE. Intra-day, the stock rallied 5.35 per cent to Rs 2,125.
The scrip was the second best performer after Sesa Goa on the 30-bluechip index BSE Sensex.
At the NSE, the scrip soared 4.95 per cent to settle at Rs 2,120.
Bajaj Auto had yesterday reported 2.71 per cent rise in motorcycle sales at 3,23,879 units in September, 2013.
The company had sold 3,15,314 units in the corresponding month last year, Bajaj Auto Ltd (BAL) had said yesterday.
BAL said exports were up 10 per cent during the month at 1,46,847 units compared to 1,33,222 units in September, 2012.
In the commercial vehicles category, the company said its sales stood at 43,936 units as against 44,838 units in the same month last year, a decline of 2 per cent.
Total vehicle sales of Bajaj Auto last month stood at 3,67,815 units as compared to 3,60,152 units in the same period a year ago, up 2 per cent, the statement said.