PRF Technologies (PRFX) shares were 40% higher pre-bell Monday following a largely muted previous session.

Soleno Therapeutics (SLNO) stock was up 39% after the company agreed to be acquired by Neurocrine Biosciences (NBIX) in a $2.9 billion deal.

Gilat Satellite Networks (GILT) shares were 4.4% higher, adding to gains from the previous session.