Recent data reveals that dark pools now handle a significant portion of stock trades, with their market share surpassing 50% for the first time in the last quarter of 2024. This shift has sparked a response from Wall Street, which is grappling with the implications of such a change. Dark pools allow institutional investors to trade large volumes without revealing their strategies to the public, raising concerns about market transparency. As this trend continues, investors should stay informed about how dark pools are reshaping trading dynamics and what it means for their investment strategies moving forward.