I saw this in a news article saying that Toshiba had losses of \1T:
What is the purpose of adding か at the end?
超【ちょう】 is "over/above ～", the antonym for 未満.
This か is a question marker. か after a noun/suru-verb is a typical "headlinese" expression meaning "there is a possibility that / suspicion of ～". It corresponds to a question mark in English headlines.
More Wage Cuts?
UK to Exit EU? / UK Exits EU?
(referring to something that seems to have happened but is unconfirmed, or something that is likely to happen in the near future)
UK May Exit EU
(referring to something not very likely but not impossible; ～もあり得る)
UK To Exit EU
(referring to something that is going to happen)