Traders monitor their screens at the Nairobi Securities Exchange (NSE) as Absa Bank Kenya PLC (ABK) starts trading, formerly as Barclays in Nairobi, Kenya February 19, 2020. REUTERS/Njeri Mwangi

JOHANNESBURG, Aug 19 (Reuters) – South Africa’s Absa Group said on Wednesday it had acquired about 3.5% of its Kenya unit through a tender offer, lifting its stake to roughly 72%.