Market analyst, Nerina Visser of ETF SA looks at South African markets as last day and a half has been dominated by discussions around credit ratings, so I think today we should focus on other issues, preferably good news stories! Tell us about petrol prices, vehicle sales figures for March was released on Monday, but I guess it got somewhat ignored due to other news. What did we learn about the state of the motor industry and transnet unveiled what has been termed the 'first locomotive to be designed, engineered and manufactured in Africa...