It was a sweet and sour Thursday for the Turnbulls. Malcolm and Lucy Turnbull ’s daughter, Daisy, had a baby boy. Baby Jack Alexander Turnbull-Brown is the Turnbull’s first grandchild.

But while their personal life sung, business was less than stellar. The value of Lucy’s stake in biotechnology company Prima BioMed fell by $728,142 after the results of a phase 2 trial of its ovarian cancer drug showed no benefit compared with control groups.