** Shares of Morgan Advanced Materials MGAMM.L down 14.9% at 191.8p - top loser across all London stocks
** The British semiconductor parts supplier expects FY adj operating profit to be around the bottom of the 126.3 million to 115.6 million pounds consensus range due to persisting deadwinds in the semiconductor industry
** FY revenue guidance unchanged but firm does not see market recovery in the second half of the year
** HY adj operating profit down 18.7% to 58 million pounds ($77.53 million)
** MGAMM fell ~28% YTD
($1 = 0.7481 pounds)
(Reporting by Yamini Kalia in Bengaluru)
((Yamini.Kalia@thomsonreuters.com))