Which ASX shares are leading the way on the ASX 300?

The S&P/ASX 300 Index (ASX: XKO) is charging higher today following a mixed daily movement throughout the week.

At the time of writing, the ASX 300 is up 0.74% to 7,477 points. This means that over the past month, the index is now hovering around 2% lower.

Let's take a look at which ASX companies are making headlines so far today.

Chalice Mining Ltd (ASX: CHN)

The Chalice share price is currently topping the charts, surging 9.62% to $8.09 during early afternoon trade.

Despite no recent news coming out of the mineral explorer, investors appear to be bullish on its future prospects. 

The company is focused on advancing its strategic deposit of critical, 'green metals' at the Julimar discovery in Western Australia.

Imugene Limited (ASX: IMU)

Another big mover on the ASX 300 is Imugene — its share price is currently up 6.10% to 43.5 cents.

The Australian immuno-oncology focused biopharmaceutical company also hasn't released any market-sensitive news to the ASX.

However, its shares are being added to the ASX 300 Index. This enables fund managers to include Imugene shares when investing in the S&P/ASX Indices. The official date for the inclusion is 20 September.

Australian Strategic Materials Ltd (ASX: ASM)

The Australian Strategic Materials share price is pushing 4.81% higher to $10.90.

The company released its full statutory accounts yesterday, providing detailed information about its activities throughout the year.

And the companies in decline?

Lifestyle Communities Limited (ASX: LIC)

The worst performer on the ASX 300 at the time of writing is Lifestyle Communities, with its share price down 9.86% to $19.94.

According to its latest release, the company's co-founder and managing director James Kelly offloaded a sizeable number of shares.

In total, 2 million fully paid ordinary shares were disposed of at a price of $21.50 apiece. Mr Kelly still holds around 7.1 million shares, a 6.8% stake in Lifestyle Communities.

Vulcan Energy Resources Ltd (ASX: VUL)

Lastly, the Vulcan share price has plummeted 7.67% to $14.68 on Thursday.

The lithium company announced a capital raise this morning after its shares were placed in a trading halt on Tuesday before market open.

Vulcan shares are still up roughly 1,500% over the past 12 months following strong investor sentiment in the company.