UK's Ibstock slides after weak construction market outlook
** Shares in Ibstock IBST.L down 7% at 126.6p ** Stock top pct loser on FTSE midcaps .FTMC index ** Building materials supplier sees residential construction markets to remain subdued in the near term ** Says co will actively manage production volumes and inventory in H126, which will create a margin headwind for 2026 ** In 2025, stock lost close to 21% of its value (Reporting by Prerna Bedi in Bengaluru) ((Prerna.Bedi@thomsonreuters.com ; +91 98052 24616))