T vs GILD Comparison

The wireless business contributes nearly 70% of AT&T's revenue. The company is the third-largest US wireless carrier, connecting 74 million postpaid and 17 million prepaid phone customers. Fixed-line enterprise services, which account for about 14% of revenue, include internet access, private networking, security, voice, and wholesale network capacity. Residential services, about 11% of revenue, primarily consist of in-home broadband internet access, serving 15 million customers. AT&T also has a sizable presence in Mexico, with 25 million wireless customers, but this business only accounts for 3% of revenue. The company recently sold its 70% equity stake in satellite television provider DirecTV to its partner, private equity firm TPG.

Gilead Sciences develops and markets therapies to treat and prevent life-threatening infectious diseases, with the core of its portfolio focused on HIV and hepatitis B and C. Gilead's acquisition of Pharmasset brought rights to hepatitis C drug Sovaldi, which is also part of newer combination regimens that remain standards of care. Gilead is also growing its presence in the oncology market via acquisitions, led by CAR-T cell therapy Yescarta/Tecartus (from Kite) and breast and bladder cancer therapy Trodelvy (from Immunomedics).