** Chinese herbal medicines maker's shares TYHT.O soar
95.4 pct to $1.29 premarket after company comes out with plans
to enter the cannabis market
** TYHT top pct gainer among U.S. stocks before the bell,
and is on pace for its best day ever
** Company plans to expand in industrial cannabis market
including planting, CBD processing, CBD derivatives development
and utilization of industrial hemp urn:newsml:reuters.com:*:nPn54GH6Ca
** Stock has gained 14 pct this year
(Reporting by Amy Caren Daniel in Bengaluru)
((Reuters Messaging:
Amy.CarenDaniel.thomsonreuters.com@reuters.net))