Hammond welcomes sterling gains after election call

By David MillikenLONDON (Reuters) - British finance minister Philip Hammond said sharp gains in sterling on Tuesday after Prime Minister Theresa May called for a snap election showed markets wanted a stronger Conservative government to lead Brexit talks.Sterling rose to a four-month high against the dollar in what looks set to be its biggest one-day gain in three months - though the British currency remains almost 15 percent below its level before last June's Brexit vote.In an unusually direct r