iShares MSCI South Korea ETF (EWY)

Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (19% of total in 2025), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).

Biogen Inc. is a biotech company that develops, manufactures, and sells therapies for treating neurological and neurodegenerative diseases. The company is the market leader in MS drugs and launched the first approved treatments for SMA and AD. The company also sells products that treat plaque psoriasis, non-Hodgkin's lymphoma, lymphocytic leukemia, and rheumatoid arthritis. Current research continues on MS and has expanded to include neuroimmunology, ophthalmology, lupus, and other neuromuscular and movement disorders. Founded in 1978, the company is located in Cambridge, Massachusetts; employs 7,500 people; and is a component of the S&P 500.

Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (19% of total in 2025), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).

Tencent is the world’s largest game publisher, with top‑grossing mobile hits like Honor of Kings and Peacekeeper Elite and a steady pipeline of new titles. It also operates WeChat—China’s super‑app with roughly 1.3 billion users—embedded in daily life for messaging, short video, mini programs, payments, and shopping. Beyond its own platforms, Tencent is a prolific strategic investor, holding stakes in leading internet companies such as PDD, Kuaishou, and Xiaohongshu.