MADRID (Reuters) – Spain will increase the national minimum wage by 3.6% to 1,167 euros ($1,334) per month, Labour Minister Yolanda Diaz said on Wednesday, marking the fourth such hike since the left-wing coalition government came to power in 2019. The wage hike will be applied retroactively from Jan. 1, Diaz told reporters after agreeing the rise with unions. Spain’s business associations did not back the move but will have to comply with the increase, which is the latest step in the government’s plan to bring the minimum wage to 60% of the average national salary of 1,944 euros per month. Ca…