** Industrial contractor's shares MTRX.O rise as much as
~27% to $24.36, hits more than one-year high
** If gains hold, stock set for biggest intraday pct gain in
more than five years
** Company's unit awarded five-year contract as primary
onsite mechanical services contractor at the Shell Puget Sound
refinery urn:newsml:reuters.com:*:nGNX5vk8Cl
** MTRX to provide onsite maintenance and turnaround support
at the refinery
** Company also reported better-than-expected Q4 profit
after the bell on Wednesday urn:newsml:reuters.com:*:nASB020UI
** Including session's gains, stock up ~31 this year
(Reporting by Abhishek Manikandan in Bengaluru)
((Abhishek.Manikandan@thomsonreuters.com))