Currency hedging drove WisdomTree ETFs’ record performance in the first quarter. So the asset manager is giving investors more currency hedged products to choose from. WisdomTree’s exchange traded funds absorbed $13.5 billion in Q1 — nearly a quarter of the $56.7 billion that flowed into the U.S. ETF industry as a whole. The firm’s assets reached $55.8 billion, up 42% from the end of 2014.