BUZZ — UK's Mondi shares down after paper grade price hikes

* Shares of Paper and packaging firm Mondi PLC fall 6.5% at 764.2 p — stock is top loser among mid-caps * Co hikes prices across several paper grades to offset higher energy and input costs, with benefits expected from late 2026 into 2027 * YTD, stock has fallen 10% (Reporting by Tuhina in Bengaluru) ((tuhina@thomsonreuters.com)