Why Accent, Bluebet, IAG, & Megaport shares are tumbling lower

In late afternoon trade, the S&P/ASX 200 Index (ASX: XJO) is on course to record a gain. At the time of writing, the benchmark index is up 0.2% to 7,577.6 points.

Four ASX shares that have failed to follow the market higher today are listed below….