AstraZeneca and Gilead Compete for Leadership in Triple-Negative Breast Cancer Treatments

Major pharmaceutical companies Gilead, AstraZeneca, and Roche reported promising new study results for cancer treatments, particularly in breast cancer, leading to stock price increases for Gilead and AstraZeneca, while Roche's shares declined slightly. The studies highlight advancements in drug efficacy and potential growth in the cancer drug market, with implications for future sales and industry competition.