UK Stocks-Factors to watch on April 18
April 18, 2018 at 01:08 AM EDT
April 18 (Reuters) - Britain's FTSE 100 index is seen opening 18 points higher at 7,244 on Wednesday, according to financial bookmakers. * RIO TINTO: Global miner Rio Tinto said on Wednesday its first-quarter iron ore shipments rose 4.7 percent, helped by fewer weather disruptions during the period and productivity improvements. * BHP BILLITON: BHP Billiton aims to start producing nickel sulphate at its Nickel West project in Australia next year to tap demand from the battery se