In my daily trawling through the market I come upon lots of tidbits of knowledge that I think are important to investors but that don't justify a full post. I've decided to start compiling these notes here each day in a kind of running mini blog that I'm calling Notes You Need. A typical post looks much like this entry from today: "10:20 a.m.: Cook County, the county that includes Chicago, has announced a lawsuit against makers of prescription opioid painkillers such as OxyContin and Percocet. The lawsuit cites the companies' "coordinated, sophisticated, and highly deceptive marketing.” Cook County has seen a 70% increase in opioid-related deaths between 2015 and 2016."


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