Benchmark spot gold prices have moved since last Friday's close, with the spread between its highs and lows the narrowest of any week since August 2007.
The battery cell maker is working on the first section of the factory, in Skellefteå in the north of Sweden, which will be completed in 2020 and produce eight gigawatt cell capacity per year.
Chinese jewelry sales are a key component of global demand for both physical gold and platinum, accounting for 14% and 16% of consumption respectively.