A microchip material maker sees its worst day in 11 years. Ken Griffin’s Citadel wins big.
A microchip materials manufacturer that counts Taiwan Semiconductor, GlobalFoundries and STMicroelectronics as clients saw its stock plunge on Thursday after cutting its sales outlook, citing ...
Hedge fund Citadel takes short position in GSK, FT reports
Billionaire Ken Griffin's hedge fund Citadel has taken a short position in British drugmaker GSK , the Financial Times ...