Jack Dorsey-led Block's shares fall amid concerns over Square profitability

Core Viewpoint - Shares of fintech Block experienced a significant decline of 14.5% in premarket trading, attributed to investor concerns over profit growth not keeping pace with the increase in transaction volume at its payments unit, Square [1] Company Summary - Block's stock performance indicates a negative market reaction, highlighting investor skepticism regarding the company's ability to translate increased transaction volume into profit growth [1]