Reports are once again circulating that Virgin Mobile USA will acquire SK Telecom's
The Financial Times reported that an announcement from both companies could be made this week.
Rumours circulated in May that Virgin and Helio were discussing strategic opportunities, although neither company was prepared to comment on the speculation.
What's more there were further signs this week that Helio is struggling in the U.S. market.
The operator listed a number of stores across the country that will close this week.