(Reuters) - U.S. President Donald Trump and billionaire Elon Musk, one of his closest advisers, have mounted a sweeping campaign to slash the size of the 2.3 million-strong federal workforce, firing ...

Optical and photonics component seller Lumentum Holdings ( LITE -0.58%) delivered an outstanding performance on the stock market last year, registering healthy gains of 61% as investors took note of ...