UPDATE 1-UK Stocks-Factors to watch on March 20 By: Reuters: Company News March 20, 2017 at 03:47 AM EDT March 20 (Reuters) - Britain's FTSE 100 futures were flat ahead of the cash market open on Monday. Read More >> Related Stocks: Astrazeneca Plc ADR Bhp Billiton Ltd ADR Marathon Oil Petrofrontier Corp Royal Bank Scotland Group Plc