The Digest ranked top VoIP providers and reported six leaders within the VoIP industry, all competing for a share of the 1.5 billion-subscriber market. These major VoIP providers are: Charter Communications, Cablevision, Time Warner, Comcast, Skype and Vonage.
One-Year Stock Trending

The one-year snapshot of Charter Communications performance indicates a general constant level throughout most of 2008, and then a sudden decline starting in October. The long-term snapshot above provides a better overview of the long-term financial situation.
Eight-Year Stock Trending

This communications company suffered a steep decline in the market after the 9/11 crisis, and it never recovered completely. A rise in 2003 reversed through 2004 and 2005. The end of 2006 saw a significant recovery into 2007, until the overall U.S. recession pulled the company stock to almost zero.