Over the same period, the Invesco DB US Dollar Bullish (NYSEArca: UUP), which tracks the greenback against a group of major currencies, is up 2.48%. Over the past month, the ARK Innovation ETF (NYSEArca: ARKK), the benchmark for disruptive growth exchange traded funds, is higher by 9%. “This dollar strength has moderated and put downward pressure on inflation expectations,” said Oppenheimer Head of Technical analysis Ari Wald in an interview with CNBC.