TelecommunicationPoor earnings in cash cow business could slow group's growth investmentsNTT's mobile unit has faced customer attrition due to poor connectivity in urban areas. (Photo by Satoko Kawasaki)KOSUKE SHIMIZUMay 9, 2026 01:50 JSTTOKYO -- Japanese telecommunications group NTT has pushed back a major profit target by three years, the company said Friday, as a slump at mobile unit and earnings driver NTT Docomo threatens to hold back its overall growth strategy.