Japanese automakers Nissan and Honda on Monday announced they had entered into official talks to merge and create the world’s third-largest automaker by sales. In a news conference on Monday, Honda ...

Honda and Nissan are expected to unveil the outline of their merger in mid-February.

Now that the Nissan-Honda merger has officially collapsed, details about why talks unraveled so quickly are emerging.

It looks like Honda and Nissan just can’t quit each other. Months after calling off merger talks, Japan’s second- and third-largest automakers are once again getting cosy, this time over plans to team ...