Comcast
Yes, I just said "Comcast" and "mobile" in the same breath. You see, the company is a major investor in Clearwire
But Time Warner Cable
It must be exciting for Clearwire shareholders to see the company's market and ecosystem growing, even if by baby steps. But I wouldn't expect these tentative moves to make any significant difference to Clearwire's troubled financial performance. Revenue is growing quickly, but gross margins are negative and the company tends to post net losses about the size of its sales.
The 4G advantage Clearwire and its partners have enjoyed is fleeting indeed. T-Mobile already claims to have the largest 4G network in America, with Verizon
Is it too late to save Clearwire from its cash-burning downward spiral? How many more Xfinity Internet 2Go markets would Comcast need to open in order to make a difference? Add Clearwire to your Foolish watchlist to keep track of the company's health -- as fragile as it is.