AA vs TU Comparison

Alcoa is a vertically integrated aluminum company whose operations include bauxite mining, alumina refining, and manufacturing primary aluminum. It is one of the world's largest bauxite miners and alumina refiners by production volume, but sits outside the top-10 aluminum producers, a list dominated by Chinese companies. Profits are closely tied to prevailing commodity prices along the aluminum supply chain.Alcoa was the first mass producer of aluminum, launching the world-changing Hall-Heroult smelting process in the 1880s, making aluminum affordable. It listed as a public company in 1925. In 2016, Alcoa spun off its automotive and aerospace metal parts segment to focus on mining, smelting, and refining. It bought the 40% unowned balance of AWAC in mid-2024.

Telus is one of the Big Three wireless service providers in Canada, with over 10 million mobile phone subscribers nationwide constituting almost 30% of the total market. It is the incumbent local exchange carrier in the western Canadian provinces of British Columbia and Alberta, where it provides internet, television, and landline phone services. It also has a small wireline presence in eastern Quebec. Mostly because of recent acquisitions, more than 20% of Telus' sales now come from nontelecom businesses, most notably in the international business services, health, security, and agriculture industries. The firm has a 55% economic stake in Telus International.