National Grid (HY Update): strong first half Hargreaves LansdownNational Grid Lifts FY27 Earnings Growth Outlook on Ventures Gains AskTradersUK Stock Market News: National Grid, Galliford Try, Quartix The Armchair TraderNational Grid FY EPS seen ahead of guidance London South EastUK Market Open: National Grid Outlook, BT TalkTalk Deal uk.finance.yahoo.com