United Oil & Gas stock jumped as much as 20 per cent to 3p in early trading on the London Stock Exchange but closed unchanged at 2.5p, giving it a market value of £5 million. Photograph:  Matthew Lloyd/Bloomberg

Shares in United Oil & Gas, a company led by two former Tullow Oil employees, had a mixed session on their first day of trading after the company (...)

Two former Tullow Oil employees aim for a stock market listing for United Oil & Gas. Photograph: Simon Dawson/Bloomberg

Two former Tullow Oil employees unveiled plans to secure a stock market listing for their fledgling company, United Oil & Gas, through a reverse t(...)