Find any current event/article regarding your firm (Walmart) from an online resource (nytimes.com, online.com, etc).

Find any current event/article regarding your firm (Walmart) from an online resource (nytimes.com, online.wsj.com, etc). Summarize the issue and how it relates to at least one or more of the following economic concepts (opportunity cost, scarcity, factors of production, diminishing returns, spillover principle, etc.)