FYI I work for a manufacturing plant as a QA engineer, and batches of product in excess of $100K being tossed due to microorganisms is not an unexpected thing. I'd hold if I were you.
last big date 06-19-2018 most the sector fell from 06-07 to 06-18 and popped on the 19th for a few days until it fell again to 31 ? could be a trend for important dates