Cablevision is the latest stock to benefit from the flurry of mergers and acquisitions this year. In September, it agreed to be bought by Dutch communication company Altice for $17.7 billion. That helped push the stock to a 14-year high.
Cablevision could use the boost. It's losing cable subscribers who are cutting the cord for more affordable options such as Netflix.
Related: Cablevision to be bought by Altice for $17.7 billion
