** Shares of Arizona Lithium Ltd AZL.AX rise as much as
21.0% to A$0.075, set for their best day since Sept. 13
** Exploration co signs a definitive agreement to acquire
100% of Prairie Lithium Corporation, a lithium brine co in
Canada
** Shares hit the highest since Dec. 6
** Says acquisition will significantly increase co's lithium
resources
** About 17.70 mln shares trade hand compared to 30-day
average trading volume of 7.29 mln shares
** Stock down 41.0% YTD as of last close
(Reporting by John Biju in Bengaluru)
((John.Biju@thomsonreuters.com;))