Short interest in Sigma has ticked up from a sub-1 per cent last year to a three-year-high of  5.62 per cent at February 6, ...

Sigma Healthcare is flagging the potential for a state regulator to reject an application by a Chemist Warehouse franchisee as a risk to growth and profitability ...

Two Sigma Investments founders John Overdeck and David Siegel are worth an estimated $14 billion. The duo founded the company ...

The transformational merger of Chemist Warehouse Group and Sigma Healthcare has cleared the final hurdles, with both Sigma ...