How do you know if a stock will go up?

In the realm of cryptocurrency and finance, the question of how to predict a stock's upward trajectory remains an intricate challenge. It begs for an answer that incorporates various analytical techniques, yet is ultimately a complex prediction based on a blend of data and intuition. So, how does one truly know if a stock will go up? Is it by studying its historical price movements? Or by analyzing the company's financials and assessing its future prospects? Or perhaps by gauging market sentiment and following the trends of industry leaders? The answer, quite frankly, is not a straightforward one. It requires a multifaceted approach that considers both quantitative and qualitative factors, and even then, the outcome remains uncertain. But the quest remains, how do you know if a stock will go up?