London stocks under pressure as oil prices fall; U.S. markets closed By: MarketWatch November 22, 2018 at 05:26 AM EST London stocks were under pressure in a session where volume was expected to thin out ahead of the U.S. Thanksgiving Day holiday. Read More >> Related Stocks: Astrazeneca Plc ADR BP Plc ADR HSBC Holdings Plc ADR Rio Tinto Plc ADR Royal Dutch Shell Plc ADR Severn Trent Plc