** Shares of household electronics maker Videndum VIDV.L down 29.3%, on track for their biggest one-day drop since late-September 2023
** Stock top pct loser on FTSE 250 Index
** Co flags deteriorating visibility for FY25 results due to U.S. tariffs
** Net debt in H1 rises to 137.7 million pounds ($182.9 million) , from 117.3 million pounds a year ago
** H1 loss before tax widens to 20.1 million pounds from 13.4 million pounds a year ago; revenue falls 25%
** Including session's losses, stock down 48.6% YTD
($1 = 0.7528 pounds)
(Reporting by Atharva Singh in Bengaluru)
((Atharva.singh@thomsonreuters.com))