The Australian market seesawed in morning trade again today but trades in positive territory after lunchtime as strong gains for financial stocks boost the key index. Pushpay is tanking today after releasing half yearly results and downgrading its guidance. Green Technology Metals soaring 69% after debuting on the ASX today. Walmart grocery orders may now be delivered by a self-driving truck after the company launched two autonomous box-trucks provided by Gatik, an autonomous vehicle startup.