Will Martin Sorrell’s New Tech and Data-Focused Venture Upend Advertising’s Old Guard?

The rumors, of course, were true. Today the board of Derriston Capital, a publicly traded but heretofore obscure London firm that specializes in acquiring the makers of medical technologies, confirmed a pending "reverse takeover" whereby it will be folded into S4 Capital, the newly incorporated company launched by former WPP CEO Martin Sorrell. (The entity...