Shares of Amazon.com Inc. AMZN, +5.57% charged 5.7% higher to $2,435.01 in afternoon trading, to put them on track for a fourth-straight gain. The ecommerce and cloud behemoth's stock has soared 17.0% in the four days since it closed at $2,082.00 on May 24, which was the lowest close since April 9, 2020.