European shares up for third straight session By: MarketWatch May 28, 2010 at 03:46 AM EDT European shares advance Friday for the third day in a row although gains aren’t as strong as in recent sessions with oil firms and Prudential dragging. Read More >> Related Stocks: American International Group BP Plc ADR Prudential Public Ltd Company ADR Rio Tinto Plc ADR Royal Dutch Shell Plc ADR Unilever NV Unilever Plc ADR