Markets South Africa's 3-month T-bill average yield falls to 7.21pc Published February 16, 2018 Updated February 16, 2018 11:30am 1 min comment Comments By Shoaib Ur RehmanReuters Add BRecorder as a trusted source on Google The bid-to-cover ratio rose to 2.9 from 2.5. Copyright Reuters, 2018 Read Comments