The market capitalisation of the four major banks jumped $31 billion in just two days, yet the share market fell yesterday. A wild ride for traders. 

Also today:

• Nurses, teachers and firefighters in NSW are told they are not getting a pay rise.
• David Jones’ fortunes go from bad to worse
• And who’s richer? Facebook’s Mark Zuckerberg or legendary investor Warren Buffet?

Plus, an interview with Ross Gittins, a doyen of economics in Australia. He explains how the employment market works and why it matters.