** Shares of pharma and biotech co Wockhardt WCKH.NS rise an
exchange-allowed maximum of 20% to 823.9 rupees
** Co said its antibiotic drug Zaynich successfully treated
a cancer patient in the U.S. with chronic bilateral thigh
infection
** The U.S. Clinical and Laboratory Standards Institutes
(CLSI) grants high susceptibility breakpoint to the drug on its
success
** Susceptibility breakpoint is a key metric for doctors to
recognize most effective antibiotics
** Stock eyes busiest trading session since mid-Feb, over
5.5 mln shares traded
** Including session's gains, stock up ~94% YTD
(Reporting by Manvi Pant in Bengaluru)
((Manvi.Pant@thomsonreuters.com; +918447554364;))