The ASX is at lunch - who's up and who's down

The ASX is down 34 points with the Materials sector driving the gains.

Of the 50 largest stocks, the most movement has been from Northern Star Resources (ASX:NST) which is higher by 6.21%, AngloGold Ashanti which is higher by 5.99%, and Newcrest Mining which is higher by 3.77%.

As the Top 50 largest companies comprise almost 60% of the total market, any big changes to their share price may influence the overall market.

The biggest gainer on the ASX at mid-session is Mogul Games Group (ASX:MGG) - this is a micro cap company.

The biggest loser on the ASX at mid-session is Cyclone Metals (ASX:CLE) - this is a micro cap company.