LONDON (ShareCast) - Premier Oil (LSE: PMO.L - news ) rallied after Jefferies upgraded the stock to 'buy' from 'hold' and raised the price target to 185p from 170p, on the basis of "continued operational delivery in 2H15".
Utilize the input text as a context reference, choose the right relationship between 'Premier Oil' and 'LONDON' from the options.
Options: headquarters location, stock exchange, creator, distribution format