Here is the one sector bucking the trend in a weak market; Check out top gainers

The Nifty Pharma index is one among the two sectoral gainers in today's trading session, bucking the trend in an otherwise weak start to trading on Dalal Street on Monday, June 8.

All constituents of the Nifty Pharma index are trading with gains, but it is also the stocks that are not part of the Nifty Pharma index that are outperforming the markets this morning.

Which Are The Top Gainers Among Pharma Stocks?

Among the top gainers within the Nifty Pharma constituents, Gland Pharma is leading the gains with a 2.5% advance, followed by JB Chemicals, with a 1.1% advance. Shares of Dr. Reddy's Laboratories, Ajanta Pharma, Torrent Pharma, Sun Pharma and Glenmark are trading with gains between 0.7% to 1% as well on Monday.

This is also the third straight day of gains for the Nifty Pharma index.

Bigger gains are coming from stocks that are not part of the Nifty Pharma index on Monday.

Five among the top 10 gainers on the Nifty 500 index are Pharma stocks. They include Pfizer (Up 4.6%), Anthem Biosciences (Up 2.5%), Syngene (Up 2%), Aster DM Healthcare (Up 2%) and Wockhardt (Up 2%).

Why Are Pharma Stocks Rising?

Pharma stocks are generally considered to be a "defensive" play at a time when markets are weak, as regardless of headwinds, healthcare is perceived to be a necessity and not a luxury.

Unlike other cyclical plays, Pharma's outperformance is driven by medical innovation and regulatory approvals.

Wockhardt is a case in point, where the stock has been on a sharp one-way upmove after the regulators approved its breakthrough drug WCK-5222, also known as Zaynich.