Earnings season in Australia has begun, with some good results and some bad results. But there is a sense of optimism among investors. 

Also today:

• The Gold Coast’s big theme parks get a hand out
• The CEO of Rio Tinto comes under fire
• And a plan to stop nasty carbon emissions … from cows

Plus an interview with Stephen Koukoulas, one of the country’s best-known market economists, about what he thinks will happen over the next six months.