(Updates)
** Shares of refiner Vertex Energy VTNR.O slump as much as
30% to nearly a three-year low of $1.17
** Co posts loss in Q4 vs. year-ago profit pressured by
lower gross fuel margins and throughput
** Reports Q4 net loss 84 cents/shr, compared with a
year-ago profit of 7 cents/shr
** VTNR posts Q4 conventional fuels refinery throughput of
67,083 barrels per day (bpd) in Q4, compared with 77,964 bpd a
year ago
** Including session's losses, stock has lost 65% YTD
(Reporting by Vallari Srivastava)
((Srivastava.Vallari@thomsonreuters.com;))