** Shares of advertising solutions provider Tremor
International TRMR.L down 29.9% at 178 pence, among top pct
losers across London stocks
** If losses hold, stock on track to log worst day since
June 2019
** Co reduces FY adj EBITDA forecast range to $85 mln to $90
mln from $140 mln-$145 mln
** Adds that challenging macroeconomic conditions led to
reduced budgets and will reduce advertising spending across
industry during H2 2023
** H1 Adj EBITDA fell 62% to $29.9 mln from $77.8 mln a year
earlier
** As of last close, Tremor stock down about 3%
(Reporting by Vaibhav Sadhamta)
((Vaibhav.Sadhamta@thomsonreuters.com;))