(Bloomberg) -- A spike in borrowing costs highlights the need for multilateral development banks such as the International Finance Corp. to boost lending to emerging markets, its managing director said.Most Read from BloombergIsrael Latest: Sirens Sound in North, Biden Speaks to NetanyahuIsrael Latest: Israeli Death Toll in Hamas Attack Reaches 1,200Israel Forms Emergency Government for War Against HamasHamas Got Around Israel’s Surveillance Prowess by Going DarkIMF Caught Off Guard as China Str