In the quintessential style of its majority shareholder Vivendi, Mediaset has made the most of a bad situation with another aggressive share-grab in ProSiebenSat.1 – as the German broadcaster’s stock price plunged 50% in a month. Normally, Faultline would relish the news as an opportunity to brag about predicting this very scenario, which we did in May 2019, but in the current climate there are more important matters to discuss. With a swirl of M&A activity triggered by stock nosedives globally, there is a case for whether the stock markets themselves should be put on lockdown so as to prevent leaches like Mediaset and the venture capital firms in particular from profiteering during the pandemic. It will never happen, of…