** Drugmaker Biohaven's BHVN.N shares jump 8.4% to $21.51 premarket
** BHVN announces up to $600 million investment from investment firm Oberland Capital in exchange for capped milestone and royalty payments on future global net sales of its experimental drug, troriluzole
** Troriluzole is currently in late-stage development for obsessive-compulsive disorder (OCD), pending approval from the U.S. Food and Drug Administration
** Oberland may purchase up to $600 million of BHVN's bonds, of which $250 million will be funded before April end
** Covington & Burling served as legal adviser to Biohaven while Cooley advised Oberland
** All 16 brokerages covering the stock rate "buy" or higher; median PT $60 - data compiled by LSEG
** As of last close, BHVN stock down 47% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))