BUZZ-India's Cohance sees biggest pct gain in 6 years as former Cipla chief appointed CEO
** Shares of Indian pharma company Cohance Lifesciences COHA.NS surge 20% to 432.10 rupees in biggest pct gain since June 2020
** Former Cipla CIPL.NS MD and global CEO, Umang Vohra, appointed CEO of Cohance on Monday
** Vohra led Cipla for more than 9 years; CIPL share price moved up more than 1.5x in the period
** 13.7 mln shares change hands by 11:32 am, more than 4x the 30-day avg
** COHA rated "buy" on avg by 8 analysts; median PT 392 rupees - LSEG data
** YTD, COHA down 18.2%
