** Shares of lighting systems maker Orion Energy Systems Inc
OESX.O plummet ~18% to $1.90
** Stock touches lowest since March 2019
** Co says revenue in Q1 nearly halved to $17.9 mln, as
tough economic environment forced OESX customers to delay
approval of lighting projects urn:newsml:reuters.com:*:nGNX9sQkk5
** "Fiscal year 2023 is starting more slowly than expected,"
co says
** Operating expenses also jumped over 5% in the quarter,
leading to a loss in Q1 compared to a profit a year earlier
** Separately, OESX announced COO Mike Jenkins would be the
next CEO, replacing Mike Altschaefl who will retire in November
urn:newsml:reuters.com:*:nGNX9JmPzl
* YTD, co has lost nearly half of its market capitalization
(Reporting by Niket Nishant in Bengaluru)
((Niket.Nishant@thomsonreuters.com;))