The U.S. SEC postponed the decision on the Canary Cardano Exchange-Traded Fund (ETF) until May 29.Crypto analyst Dan Gambardello warns that ADA must close above $0.73-$0.74 to stay bullish.Analyst Alex Becker predicts ADA could rise 4-5 times if the market stabilizes.Cardano (ADA) faces uncertainty and doubts after the SEC delayed the decision on the Canary ADA ETF application.