Stocks making the biggest moves premarket: Arm Holdings, GM, Ford, Adobe and more

KeyCorp shares rose almost 2% premarket after Piper Sandler upgraded KeyCorp to overweight from neutral.

Shares of Keysight Technologies rose about 1.5% after Morgan Stanley upgraded the test and measurement equipment maker to overweight.

Apellis Pharmaceuticals climbed 3.5% , while Nucor fell 2.3% before the open.