W pricesThe price was up 2% yesterday. I only get the data at 4PM PT, but maybe todays NCF share buyers had that information earlier, which was for Feb 9th.
https://www.argusmedia.com/metals-platform/price/assessment/tungsten-apt-fob-china-per-mtu-wo3-PA00145020000
Still, it seems a big increase in NCF SP for such small increments lately in APT appreciation.
Maybe something more interesting such as a ban in Chinese exports is in the works.