** Shares in private-sector lender Yes Bank Ltd fall as much as 6.1 pct to 151.15 rupees - lowest since March 2016
** Bank said here late on Wednesday ICRA downgraded domestic long-term ratings of senior debt instruments to 'ICRA AA' from 'ICRA AA+' and subordinate debt instruments to 'ICRA AA-' from 'ICRA AA'
** CARE Ratings cut domestic ratings of senior debt instruments to ‘CARE AA+’ from ‘CARE AAA’ and subordinate debt instruments to ‘CARE AA’ from ‘CARE AA+’
** ICRA said ratings remain on watch with negative implications, while CARE said ratings remain on credit watch with developing implications
** More than 35.8 mln shares traded by 0405 GMT vs 30-day avg volume of 49 mln
** Stock down 48.6 pct this year as of last close