On NSE, it plunged 6.77 per cent to Rs 125.90.
The company had reported a net profit of Rs 28 crore in October-December quarter of 2019-20.
The revenues for the third quarter on a standalone basis stood at Rs 4,814 crore as compared with Rs 4,016 crore in the year-ago period, Ashok Leyland said in a statement.
The company said its domestic light commercial vehicle (LCV) volumes during the third quarter stood at 15,991 units, up 3 per cent from 12,574 units in the same period of previous fiscal.
Export volumes during the period under review stood at 2,941 units, up 24 per cent from 2,371 units in October-December period of 2019-20.