SAN FRANCISCO, July 28 (Xinhua) — Amazon.com, Inc. announced Thursday financial results for its second quarter ending June 30, 2022, with a net loss of 2 billion U.S. dollars, or 20 cents per diluted share, compared with a net income of 7.8 billion dollars, or 76 cents per diluted share in the second quarter of 2021. The company's net sales increased 7 percent to 121.2 billion dollars in the second quarter of this year, compared with 113.1 billion dollars in the second quarter of 2021. Excluding the 3.6 billion dollars unfavorable impact from year-over-year changes in foreign exchange rates throughout…