At 1244 GMT, Renewi shares were down 22.6% and on track for their largest ever daily drop.

Renewi was not immediately available for comment when contacted by Reuters.

Macquarie said on Sept. 28 it was considering a possible cash offer for Renewi that would value the company at around $775 million. Renewi rejected the offer the same day.

(Reporting by Lucy Raitano; Editing by Amanda Cooper)