[Top 20 US stock turnover: Wal Mart dropped more than 2% and has cleared all shares of Dada] Wal Mart closed down 2.43%, with a turnover of 1.664 billion US dollars. On September 17, the US stock announcement showed that JD had completed the acquisition of Dada shares held by Wal Mart, and its shareholding ratio had risen to more than 60%.