Layoff notice, what does the 60 days mean?, store manager here

My employer announced that the site will close and gave us written notice. I do not usually post, so bear with me. Some colleagues are already leaving. Should I stay for the bonus?

I stayed for the retention bonus and looked for work on the side. It cushioned the gap.

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.