** Blockchain-as-a-service firm's PBTS.O shares jump 15%
to $1.75 premarket
** China-based co says it struck deal with Cryptodigital
Holdings to buy bitcoin BTC-BTSP and ethereum ETH= miners,
and to develop and manage mining operations in Asia and North
America urn:newsml:reuters.com:*:nFWN2PO0P3
** PBTS had jumped 65% last week when it revealed plans to
invest in cryptocurrency mining urn:newsml:reuters.com:*:nL4N2PJ2LR
** Stock down 36% YTD, as of last close
(Reporting by Susan Mathew)
((susan.mathew@thomsonreuters.com))