In October, IBM announced it would acquire open source software pioneer Red Hat for $34bn. The deal resonated with Wall Street, but making the two companies work together will be another challenge. The FT’s Richard Waters digs into IBM's history and what its tie-up with Red Hat signals about the future.  Hosted on Acast. See acast.com/privacy for more information.

Apple shares have taken a hit this month amid fears that demand for the iPhone has peaked. Tim Bradshaw explains what is worrying investors.   Hosted on Acast. See acast.com/privacy for more information.