--Pharmaceutical giant GSK PLC is in talks to buy U.S. privately owned biotech company IDRx, which is developing a treatment for rare gastrointestinal tumors, for up to $1 billion, the Financial Times ...

Major U.S. stock indexes closed mixed, after bouncing between gains and losses during the session, as the 10-year U.S. Treasury yield advanced above 4.7% for the first time since last spring. S&P 500 ...