Amazon heavily invested in Rivian's electrification, making billions of dollars. Will self-driving technology be replicated in Zhijia Technology?

$Tesla (TSLA.US)$ $Rivian Automotive (RIVN.US)$ $NIO Inc (NIO.US)$ $XPeng (XPEV.US)$On November 15th local time in the USA, on the fourth trading day since Rivian went public, it continued to surge by 14.94%. Before the market opened on the 16th, it continued to surge by nearly 10%. The direct reason was that on November 12th after the market closed, Rivian announced the disclosure of insider trading activities within the company: Shareholder Amazon COM INC, holding 10% of the shares, bought a net of 0.158 billion shares on November 10th (the day of the IPO).
The market cap of the USA e-commerce giant Amazon is around 1.8 trillion US dollars, making it the largest shareholder of Rivian with a stake of over 20%. In Rivian's IPO, Amazon and Blackstone are among the most important cornerstone investors, subscribing a total of 5 billion US dollars of new shares, accounting for more than half of the new shares issued, exceeding 10 billion US dollars (78 US dollars issued 0.135 billion shares).
Therefore, the disclosed net purchase of 0.158 billion shares by Amazon should include the newly issued shares purchased as a cornerstone investor, as well as some shares held by other investors (the prices of these transactions may not necessarily be the issue price, similar to block trades). However, regardless, Amazon holding over 20% of the shares before the IPO is still significant...