MIAMI, May 06, 2026 (GLOBE NEWSWIRE) -- Defiance ETFs today announced the launch of the Defiance Daily Target 2X Long AMPX ETF (AMPU), expanding its lineup of single-stock leveraged ETFs designed for active traders seeking amplified exposure to innovative growth companies. AMPU is designed for traders seeking magnified, short-term bullish exposure to Amprius Technologies, Inc. (NYSE: AMPX), a developer and manufacturer of advanced lithium-ion battery technology serving the aviation, drone, defense, and elec ...