The top 20 US stock trading volume: Amazon rose more than 2% to set a new high in stock price, with plans to launch low-priced stores. E-commerce giant Amazon closed 2.19% higher, with its stock price reaching a new historical high, with a transaction volume of $14.532 billion and a market value of approximately $2.06 trillion. With the increasingly fierce global e-commerce competition, Amazon has announced plans to launch a new section called "Low Price Stores", which specializes in providing low-priced fashion and daily necessities, allowing Chinese sellers to directly ship to American consumers.