** U.S.-listed shares of Israeli ad-tech firm Perion Network
PERI.O rise 4.7% to $28.58 premarket
** Co completes its acquisition of full-stack programmatic
digital out of home (DOOH) firm Hivestack for $100 mln in cash
** Deal also includes a three-year employee retention and
payment plan of up to $25 mln in cash in equity
** Hivestack's customers include Uber, Lego and Doordash
** PERI says acquisition will help diversify strategy and
establish footprint in the DOOH channel, sees capitalization
opportunity in Hivestack's global markets
** PERI stock up 7.9% YTD as of last close
(Reporting by Purvi Agarwal in Bengaluru)
((Purvi.Agarwal@thomsonreuters.com))