<ul data-eligibleForWebStory="true">Cardano's ADA has dipped nearly 2% in the last 24 hours and trades above $0.55.Investors are optimistic about ADA's price action ahead of the upcoming Leios upgrade.ADA has experienced an 8% dip this week but remains hopeful with the upcoming upgrade.The Leios upgrade aims to enhance network throughput and scalability for Cardano.IOG states that endorsements and other mechanisms will be introduced to boost overall throughput.ADA could rally towards $0.65 in the medium term with the Leios upgrade implementation.In the short term, ADA might rebound to $0.65 if bulls take control, hitting $0.77 in an extended bullish scenario.Alternatively, if bears persist, ADA could test the $0.5096 support level. MACD and RSI indicators suggest current selling pressure.The future price movement of ADA will depend on market sentiment and the balance between buyers and sellers.