** Shares of penny stock biotech CBIO.O more than double
to 90 cents, highest in over 5 months
** One of the top three pct. gainers and most active stocks
across U.S. exchanges
** Co says it has sold its portfolio of protease medicines,
which help in regulating immunity, to Vertex Pharmaceuticals Inc
VRTX.O for $60 mln in cash urn:newsml:reuters.com:*:nGNX2kBmZ4
** CBIO says the sale is part of an ongoing strategic review
announced in February to reduce cash burn urn:newsml:reuters.com:*:nFWN2US16R
** About 22.5 mln shares change hands, more than 104x 25-DMA
** Stock has fallen 59% YTD through last close
(Reporting by Ruhi Soni in Bengaluru)
((Ruhi.Soni@thomsonreuters.com
Twitter: https://twitter.com/ruhithere))