Why Galilee Energy, Hansen, Polynovo, & TPG shares are tumbling lower

In afternoon trade the S&P/ASX 200 Index (ASX: XJO) is on course to end the week on a high. At the time of writing, the benchmark index is up 0.6% to 6,830.6 points.

Four ASX shares that have failed to follow the market higher today are listed below. Here’s why they are tumbling lower:

The Galileee Energy share price is down 2.5% to 78 cents. This is despite a positive announcement by the oil and gas exploration company this morning relating to its Glenaras multi well pilot programme in the Galilee Basin. According to the release, following recent heavy rainfall, all council roads have now been re-opened and equipment and subcontractor mobilisations are currently underway.

Hansen Technologies Limited (ASX: HSN)

The Hansen share…