(Bloomberg Gadfly) -- Good morning! This is Fly Charts, the daily charts-only newsletter from Gadfly; sign up here. From coal's hold to central-bank confusion, here are four charts that tell you what you need to know in business today.
And don't miss Tim Culpan's video on the iPhone's 10th birthday: "One thing that hasn't changed is Apple's reliance on China -- and Taiwan's Foxconn Technology Group -- to make what is now the company's most important product. The iPhone's introduction was a boon to the Chinese cities where it's assembled, prompting countries from Indonesia to Brazil to try to replicate the model. Now U.S. President Donald Trump wants in on the action. That's not likely to pan out as he hopes."
This column does not necessarily reflect the opinion of Bloomberg LP and its owners.
Max Nisen is a Bloomberg Gadfly columnist covering biotech, pharma and health care. He previously wrote about management and corporate strategy for Quartz and Business Insider.