Speculators enlarged their positions, driven by pick-up in spot market demand and gains in base metals overseas
The company has received one product patent from Mexico and one from Singapore for new chemical entities to treat neuro-degenerative diseases.
Thus far in 2015, the stock surged 63% to Rs 790 from Rs 486 compared to 2% rise in the CNX Nifty.
Top gainers on the Sensex are SBI, ITC, ONGC, HDFC and ICICI Bank
The company has weakened by more than 6% this morning after posting a weak set of numbers for FY2014-15.