Asian suppliers' stocks slump on Tesla's aggressive plan to make cheaper batteries
https://www.reuters.com/article/us-tesla-batteryday-suppliers-stocks/asian-suppliers-stocks-slump-on-teslas-aggressive-plan-to-make-cheaper-batteries-idUSKCN26E00S
Shares of Asian battery suppliers fell on Wednesday after Tesla Inc unveiled a plan to halve the cost of its electric vehicle batteries and bring more production of the key auto component in-house.