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Union workers at Samsung Electronics are holding the first ever strike in the company's five decade history. We find out why, and what impact it could have on.

Elsewhere, Rob Young looks at oil giant Aramco's secondary listing, which was priced below expectations. And finally, we look at the multi billion-dollar drug industry focused on weight loss.

(Photo: The National Samsung Electronics Union (NSEU) members hold banners in Seoul, South Korea. Credit: Reuters)