JSE-listed Blue Label Telecoms on Thursday posted a 19% increase in core headline earnings, excluding the Cell C and SPV revaluations that dragged overall financial performance during the six months to November 30, 2018. The group, facing a share price plunge of nearly 14% at the time of writing and hitting a low of R5.20 a share during the day, posted a 3% lift in core headline earnings a share to 55.13c, excluding the multimillion-rand Cell C and the SPV adjustments.