(Bloomberg) -- JPMorgan Chase & Co. is turning its back on a trend that’s been embraced by many of its Wall Street peers.Most Read from BloombergRiyadh Metro Partially Opens in Bid to Ease City’s Traffic JamsAs Wars Rage, Cities Face a Dark New Era of Urban DestructionTransition finance — a term intended to describe the allocation of capital to activities that will ultimately help cut carbon emissions in the wider economy — exists in something of a regulatory gray zone. At the same time, financi