Complex sentence: "Candyman" had moderate success troughout the charts, peaking at the top 20 in most counries, in the US it reached number 25 and has been certified Gold by selling 500,000 copies.
Split into simpler sentences: Candyman had moderate success throughout the charts, peaking at the top 20 in most countries. In the US it reached number 25 and has been certified Gold by selling 500,000 copies.