Shares of online travel-services provider Expedia Group Inc. notched their biggest one-day gain in two months on Thursday, as activist investor Starboard Value disclosed a large stake in its smaller ...

Celestica Inc. (CLS) was the best large- or mid-cap stock to own on the Toronto Stock Exchange over the past three months, ...

On Thursday, Starboard Value disclosed a 9% ownership stake in Tripadvisor's stock of just under 10.64 million shares, or about$159.4 million based on the stock's closing price of $14.99 a share on ...