The stock climbed 4.91 per cent to Rs 1,377.75 on BSE.
On NSE, it soared 5.16 per cent to Rs 1,379.
"Its manufacturing plant at Mandva, Gujarat, has successfully obtained the Establishment Inspection Report from the USFDA. The plant manufactures Active Pharmaceutical Ingredients (APIs) and was inspected by the USFDA in September 2015," Alkem Labs said in a BSE filing yesterday.
It further said: "The facility at Mandva would be Alkem's sixth plant to receive USFDA approval."