 The rise in GSK PLC LSE:GSK, NYSE:GSK shares on the reporting of a finance chief was probably more to do with the slide in sterling, than the markets excitement about the creation of an all-female top team, said Barclays. Following the drug maker announcing that Julie Brown is being poached from Burberry to take the role of chief financial officer as Iain Mackay retires, the general reception to the news today has been positive, the bank said. 