A day after falling 8% on the back of interim results published by Cell C, Blue Label Telecoms shares again took a battering on Wednesday after the group published full-year results.

Once upon a time, Facebook allowed academic researchers access to its data. We know how that story ends: with the Cambridge Analytica scandal.

Bitcoin jumped more than 5% in the span of a few minutes on Wednesday, pacing a rally in cryptocurrencies as market watchers cited potential short covering for the move.

Shares in Blue Label Telecoms, which owns 45% of Cell C, fell by 8% on Tuesday after the mobile operator reported half-year results to 30 June 2018 that showed a net loss after tax of R645-million.

Cell C is planning a share sale in Johannesburg by the first quarter of 2020 as South Africa’s third largest wireless company seeks funds for acquisitions.

Microsoft has warned that cyber-attackers linked to the Russian military are once again targeting American political groups, in a potential attempt to manipulate and disrupt the US midterm elections in November.

About 2.5 million people have browsed through the Black catalogue to date, Cell C said of its video entertainment platform on Tuesday alongside its half-year results to 30 June 2018.

View the latest contribution from TechCentral cartoonist Jerm.

Cell C has reduced its net loss after tax in the first half of the 2018 financial year by 33% to R645-million on the back of an 11% improvement in service revenue to R6.9-billion.

Workplace chat software maker Slack Technologies has continued its fervent pace of fundraising with a US$427-million round of investment.