UPDATE 1-UK Stocks-Factors to watch on March 23 By: Reuters: Company News March 23, 2017 at 03:42 AM EDT March 23 (Reuters) - Britain's FTSE 100 futures were flat ahead of the cash market open on Thursday. Read More >> Related Stocks: Bhp Billiton Ltd ADR CBRE Group Chevron Corp Exxon Mobil Gsk Plc ADR Natcore Technology Inc Regeneron Pharmaceuticals S&P Insurance ETF SPDR Sienna Sr Living Inc Tesoro Petroleum Co Tractor Supply