创业板指突破2900点，再创3年多新高

Group 1 - The ChiNext Index has surpassed the 2900-point threshold, increasing by 3%, marking a new high in over three years [1] - Sectors such as Kirin batteries, sodium-ion batteries, and lithium mining concepts have shown significant gains [1] Group 2 - The ChiNext Index's increase expanded to 2%, while the Shanghai Composite Index rose by 0.54% and the Shenzhen Component Index increased by 1.06% [3] - Earlier in the day, the ChiNext Index had already expanded its gains to 1% [3]