Ebb & Flow

XShares Advisors is rethinking its HealthShares portfolio of exchange traded funds to better target large-scale investment. The investment group is getting rid of 15 narrowly focused ETFs that didn’t attract much money, leaving four in the portfolio,

The surviving cancer fund (NYSE:HHK), European drugs fund (NYSE:HRJ), diagnostics fund (NYSE:HHD) and enabling technologies fund (NYSE:HHV) have combined assets of about $50 million, according to spokesperson Marsha Zapson...