(Yicai Global) Jan. 4 -- China’s mainland stock markets started the year higher today while Tesla's suppliers were among the biggest winners as the US firm revealed lower-than-expected pricing of its China-made Model Y.

The Shanghai Composite Index began 0.05 percent up at 3,474.68. The Shenzhen Component Index rose 0.31 percent to 14,516.12. The ChiNext Index, which tracks growth enterprises listed in Shenzhen, started 0.37 percent up at 2,977.32, but soon surpassed 3,000, reaching the highest level since July 2015.

Battery maker Contemporary Amperex Technology [SHE:300750] surged over 5 percent and Kedali Industry [SHE:002850] jumped almost 10 percent after Tesla said on Jan. 1 that it will sell its Shanghai-made Model Ys for a base price of CNY339,000 (USD52,000).

Other battery makers, as well as firms in the aerospace, military and precious metal sectors were also rising this morning.

Editor: Emmi Laine