(marketscreener.com) South African industrial gas supplier African Oxygen reported a 31% drop in half-year earnings on Friday as lower sales volumes and higher sourcing costs for Liquefied Petroleum Gas weighed on profits.https://www.marketscreener.com/quote/index/DOW-JONES-AFRICA-TITANS-5-3966403/news/South-Africa-s-Afrox-says-interim-earnings-down-31-31272094/?utm_medium=RSS&utm_content=20200911