The stock rallied 7% to Rs 650 also its 52-week high on the National Stock Exchange in early morning trade.
The stock was trading higher by 4% to Rs 552, extending its Wednesday's 6% rally on the BSE
The stock up 9% to Rs 523 after the company said that its marketing partner, Mylan Inc., has received a US regulator tentative nod Sorafenib, the generic version of Nexavar.
The board approved the sale of Save Mart Pharmacy Stores located in USA which is non-core business
Company says no impact on product pipeline but Street awaits more clarity
The stock slipped 11% to Rs 417 on the BSE in early morning trade.
Natco Pharma Ltd has already sent response and compliance report for these observations