Amazon (NASDAQ: AMZN) reported 2021 fourth-quarter net sales increased 9% to $137.4 billion, compared with $125.6 billion in the same quarter in 2020. Operating income in 2021 4Q decreased to $3.5 billion, compared with $6.9 billion in fourth quarter 2020. Net income increased to $14.3 billion in the fourth quarter, or $27.75 per diluted share, […]