Stock Watch: Cancer Combination Therapies Face Rising Bar

With drug sector indexes underperforming the broad market in the first half of 2025, investors may have been anticipating tariff-related and other headwinds. But impending loss of exclusivity on key products may be provoking more anxiety at this point.

Pharma company financial guidance emerged largely unscathed from a first quarter punctured by a weakening US dollar and threats of import tariffs on drugs. With other pressures either already evident or on the horizon, guidance revisions may be unavoidable.

Relaxing CAR-T restrictions may not be an access panacea because of patient fragility and lack of payer incentive. Conversely, the ACIP’s recent recommendation on Thiomersal-containing flu vaccines is probably the thin edge of a more restrictive wedge.

A track record of positive portfolio performance is described as an investment management skill. Taking difficult divestment decisions early, in challenging markets and outperforming benchmarks, are hallmarks of this skill. Syncona and Woodford Patient Capital offer useful case studies.