10 things you need to know before the opening bell

Here's what you need to know before the markets open.

1. *'The 3M saga ends very happily': Trump strikes deal with 3M to import 55 million N95 masks per month. *The imported masks will bolster 3M's domestic production of 35 million masks per month.

2. *Japan declares state of emergency, plans $1 trillion stimulus to combat...