Sibanye has been a prime beneficiary of the recent surge in PGM, specifically palladium. At less than 800/OZ AISC on it US PGM operations, EBITDA has increased nearly 100% YoY (US Ops). Nowhere else can you get this kind of exposure to PGM with adequate liquidity.
Look at the outperformance relative to it's peers (which were also saw huge increases thanks to the gold spot price).