Shares of Ganfeng Lithium Co., Ltd., one of the world's largest lithium producers, plummeted by 5.12% on Tuesday, October 9th, as news emerged that JPMorgan Chase & Co. had significantly increased its short position in the company's Hong Kong-listed shares.

According to filings with the Hong Kong Stock Exchange, JPMorgan increased its short position in Ganfeng Lithium's H-shares to 3.90% as of October 2nd, up from 3.13% previously. A short position involves borrowing shares and selling them with the expectation of buying them back at a lower price, profiting from the price decline.

The increased short-selling activity by a major financial institution like JPMorgan could have contributed to the sell-off in Ganfeng Lithium's shares. Short selling can create downward pressure on a stock's price, particularly if it comes from influential market participants with substantial resources. Additionally, the move may signal JPMorgan's bearish outlook on the lithium producer's prospects, further weighing on investor sentiment.