Block Inc. saw its shares plummet over 18% in after-hours trading following its fiscal 2025 first quarter results.The company reported adjusted earnings of 56 cents per share and revenue of $5.66 billion, both missing analyst expectations.Despite some areas of growth like CashApp and Buy Now, Pay Later segment, the total gross profit fell short of analyst forecasts.Block warned of macroeconomic headwinds and adjusted its guidance for the year, expecting higher gross profit growth in the second half.