It had registered a net loss of Rs 184.80 crore in the corresponding January-March quarter of previous fiscal, STC said in a filing on BSE.
STC sells fertiliser, commodities and precious metals.
The company's total income from operations increased to Rs 3,667.49 crore during the quarter under review from Rs 3,542.33 crore in the same period a year earlier.
Shares of STC were trading at Rs 158.55 apiece on BSE, up 3.05 per cent from previous close.