Reporting season is in full swing, and last week we saw results from a host of big Australian companies, including Commonwealth Bank, JB hifi and CSL.

Lochlan Halloway, Equity Market Strategist at Morningstar, takes Sean Aylmer through the three key themes that are emerging this earnings season, the companies that are affected, and what it means for investors.

This is general information only. Seek professional advice before making investment decisions.