碳酸锂主力合约由跌转涨，日内涨幅扩大至2.00%，现报72960元/吨。此前一度跌近3%。

Core Viewpoint - The main contract for lithium carbonate has shifted from a decline to an increase, with a daily rise of 2.00%, currently priced at 72,960 yuan per ton, after previously dropping nearly 3% [1] Group 1 - The lithium carbonate main contract experienced a price increase after a period of decline [1] - The current price of lithium carbonate is reported at 72,960 yuan per ton [1] - The daily increase in price is noted to be 2.00% [1] Group 2 - Prior to the increase, the price had dropped close to 3% [1]