Shares in manufacturers Bombardier and Siemens have jumped on reports they are in talks about merging their train-making businesses. Bombardier's shares rose nearly 7% while Siemens' shares hit a record high before easing back. Talks between Bombardier, a major supplier of London Underground trains, and Siemens started earlier this year, according to media reports.

Guests: Sim Harris

Published: Thu 13 April 2017