- Shares in Asics (OTCPK:ASCCY) surged as much as 8% in Tokyo overnight after several reports suggested that World Athletics was mulling a ban for Nike's (NYSE:NKE) Vaporfly shoes in professional competition.
- The sneaker has come under scrutiny amid claims that its foam and carbon fiber sole plate serves as a spring that gives runners an extra edge.
- Five of the fastest marathon times on record have been recorded by Vaporfly-wearing athletes over the past 18 months.