Here's everything you need to know before Thursday's opening bell:
- Broadcom (AVGO) reached an agreement to acquire CA Technologies (CA) for $18.9 billion in cash.
- Comcast (CMCSA) said it will pay £14.75 a share for Sky (SKYAY) , topping Fox's £14 bid.
- Papa John's International (PZZA) founder John Schnatter resigned as chairman.
- Twitter (TWTR) said it would begin removing suspicious accounts it has locked.
- U.S. stock futures rose.