More than £6 billion has been wiped from the combined market values of four of the biggest European payment firms in a matter of hours as investors braced for a string of earnings cuts in signs of bleak prospects for the sector.
French firm Worldline, which runs much of the TfL payments operations in London, saw its shares tank almost 60% after it slashed its full-year targets and said it had severed ties with some merchants to reduce the risk of cybercrime.
