U.S. stock futures were higher this morning, with the Dow futures gaining around 400 points on Monday.

Shares of AstraZeneca PLC (NYSE:AZN) dipped 6% to $159.54 in pre-market trading.

AstraZeneca is reportedly in discussions with Bristol Myers Squibb (NYSE:BMY) to merge, potentially forming a pharmaceutical giant valued at nearly $400 billion.

Apple shares dipped 7.4% to $309.00 in pre-market trading.

Here are some other stocks moving lower in pre-market trading.