Shares in UK Oil & Gas Investments (UKOG) spiked higher on Tuesday after rumour-mongering intensified that the company was poised to update on one of its projects. UKOG, an AIM-listed vehicle of serial entrepreneur David Lenigas focused on opportunities in the UK, moved 17.5% higher on Tuesday to 1.44p, having bubbled up 65% on Monday. Rumours were published on tipster website valuethemarkets.com, anonymously written and registered in Italy.OH