Huge drop in LMEWaiting for confirmation from US zinc site but it seems that there is a big drop in inventory today. If this big drop is true it might indicate that China is buying. I do not see anyone else making such big purchases in a single shot....
https://www.dailymail.co.uk/wires/reuters/article-4522136/Copper-set-weekly-gain-dollar-weakness-zinc-rallies.html
* ZINC STOCKS: LME data showed 28,925 tonnes of zinc were booked to leave exchange warehouses, sending 'on-warrant' or available stocks down to 170,200 tonnes, their lowest since October 2008. <MZN-STOCKS>. Zinc stocks in warehouses monitored by the Shanghai Futures Exchange fell 9.5 percent from last Friday to 91,749 tonnes.