By Guy Taylor Troubled shipbuilder Harland & Wolff is planning to meet with shareholders this Thursday following reports that the firm could fall into administration as soon as this week, City A.M. understands. Interim chairman Russell Downs intends to inform investors of the group’s financial position at the meeting following weeks of turmoil and uncertainty. Shareholders have repeatedly had requests for an extraordinary general meeting (EGM) shunned in recent months, and it is understood no vote will be held on Thursday. They are particularly concerned over the prospect of a pre-pack adminis…