Shares of Volkswagen (VLKAY.PK -5.1%) and Porsche (OTCPK:POAHY -12.5%) slide as the automakers...

Shares of Volkswagen (VLKAY.PK -5.1%) and Porsche (OTCPK:POAHY -12.5%) slide as the automakers say their merger can't be completed by the end of the year, given the extent of legal proceedings against Porsche. "The continuing legal hurdles mean that it is currently impossible to quantify the economic risks of a merger," VW says.