South Africa's credit rating under threat after downgrade, will hurt growth

By Stella Mapenzauswa JOHANNESBURG (Reuters) - South Africa's investment grade credit rating is under serious threat after a downgrade last Friday and it could struggle to fund crucial infrastructure projects and help put the economy on a more robust growth path. Fitch downgraded the rating of Africa's most industrialised economy by one notch to BBB-, the lowest investment grade category, citing the slowing economy, which the government expects to grow just 1.5 percent this year, and rising debt