AMC shares were up in premarket trading Monday after the movie-theater chain said it has shaved almost $153 million off its debt load.

The largest theater chains including AMC Entertainment , Regal Cinemas and Cinemark will invest more than $2.2 billion over the next three years to upgrade theaters in the U.S. and Canada, an industry group announced on Thursday.

The eight biggest movie theater chains in the U.S. and Canada — including AMC and Regal —  will invest $2.2 billion to make upgrades.

With movies hitting streaming services faster than ever and consumers cutting back on spending, moviegoers might feel a bit less enthused to head to their multiplex these days. That's why the biggest theater chains in the United States and Canada have a $2.