Avanza shares slide after broad earnings miss in Q2

** Shares in Avanza Bank AZA fall more than 5% after the Swedish financial group posted a miss in Q2 operating income, among others

** "On the top line, all line items missed except for net interest income (5% better than consensus)," J.P.Morgan says

** Q2 operating income was SEK 1,062 million ($111.49 million) below analysts' SEK 1,075 million estimate in company-compiled consensus

** JPM notes that despite a beat on costs for the second consecutive quarter, Avanza reiterated guidance of 11% growth in costs for 2025

** The shares are on track for their worst day since April if the losses hold, and among worst performers on Europe's STOXX 600 index SXXP

($1 = 9.5257 Swedish crowns)