AT&T Inc. is a North American telecommunications company. In addition to telephone, data and video telecommunications, AT&T also provides mobile communications and internet services for companies, private customers and government organizations. AT&T has long had a monopoly in the United States and Canada.
According to AT&T's latest financial reports the company has a price-to-book ratio of 1.23. The price-to-book ratio is a way to measure how much the stock market thinks a company is worth compared to how much the company says its assets are worth on paper.