SAN FRANCISCO, May 4 (Xinhua) -- Amazon on Wednesday announced that it will invest a total of 10.6 million U.S. dollars to help build and renovate more than 130 affordable homes in Nashville, in the U.S. state of Tennessee, in partnership with the Metropolitan Development and Housing Agency. This commitment is part of the Amazon Housing Equity Fund, a more than 2 billion dollars commitment to create and preserve 20,000 affordable homes for individuals and families earning moderate-to-low incomes in Nashville, Washington state's Puget Sound region, and Virginia's Arlington region, the announcement said. Over the past two years, Amazon has...