Larry Goodman is believed to have increased his stake to over 15 per cent of Providence Resources, making him the largest single shareholder in the exploration minnow.  Goodman, one of Ireland’s richest people, first invested in Providence about 14 months ago, but he has been building his stake significantly recently.  Last week it emerged that he had built an 8.8 per cent stake in Providence using his investment company Vevan Unlimited Company after participating in a $1.8 million placing of securities by the company with its existing shareholders.  But has he now increased his position even further? On Monday, an…