UK's THG jumps after top shareholder increases stake
** Shares of British e-commerce firm THG THG.L rise as much as 10% to 38.2p ** Top shareholder Matthew Moulding increases stake in co to 20.2% from 18.8%, a filing shows ** Moulding's equity interest in THG rises to about 25.4% on a fully diluted basis, including voting shares and unlisted shares ** THG shares have fallen about 20% so far this year (Reporting by Yamini Kalia in Bengaluru) ((Yamini.Kalia@thomsonreuters.com))