How are advancements in quantum computing likely to reshape the landscape of financial markets?

Quantum computing is positioned to revolutionize numerous industries with its ability to perform complex calculations at unprecedented speeds. The financial sector, with its vast amounts of data and need for rapid decision-making, could particularly benefit from this technology. Potential applications range from optimizing portfolios, modeling risk, and pricing derivatives to enhancing security of financial transactions. As quantum computing develops, what might be its impact on traditional investing strategies, and how could it alter competitive dynamics within financial markets?