TOKYO -- The success of Daiichi Sankyo's blockbuster cancer drug Enhertu has helped propel it into the ranks of Japan's most valuable companies, lifting its market capitalization above 10 trillion yen ($64 billion) on rising growth expectations.
Japanese drugmaker eyes broader U.S. approval for blockbuster Enhertu

Daiichi Sankyo's booth at the American Society of Clinical Oncology annual meeting in Chicago. (Daiichi Sankyo)
TOKYO -- The success of Daiichi Sankyo's blockbuster cancer drug Enhertu has helped propel it into the ranks of Japan's most valuable companies, lifting its market capitalization above 10 trillion yen ($64 billion) on rising growth expectations.