Black Friday is now a big retail event in the UK and places including Canada and parts of Latin America.  But you’d be wrong in thinking this is the world’s only mega retail day. While the Black Friday phenomenon doesn’t occur in all parts of the globe, many markets have their own retail bonanzas that positively dwarf it. The US Black Friday bonanza America’s ‘Black Friday’ retail event is now several decades old. Once US consumers finish celebrating Thanksgiving on the fourth Thursday ...