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American Pacific Borates Limited (ASX:ABR), the ASX's Biggest Mid Cap Winner With 10.11% gain.

American Pacific Borates Limited jumped 10.11% to A$2.07, closing out the day as the biggest winner among mid cap shares on the Australian stock market today.

Coming in second was Beacon Lighting Group Limited, which gained 6.39% to A$2.33.

Third was Oceanagold Corporation, which gained 5.66% to A$2.79.

Next was Chalice Mining Limited, which gained 4.83% to A$9.10.

And rounding out the top five was United Malt Group Limited, which increased by 4.5% to A$4.30.

NOTE: Mid Cap stocks on the ASX are those with a market valuation between A$500 million and A$10 billion.