The overall box office soared , with the top 12 movies grossing $ 157.1 million , up 52 percent from a year ago .
For the weekend , the top 12 movies grossed $ 157.1 million , up 52 percent from the same weekend a year earlier .
The first products will likely be dongles costing $ 100 to $ 150 that will establish connections between consumer electronics devices and PCs .