Four memory stocks fell together on -$1.68B of outflow. What should a sector card show you?

On October 8, 2026, this card came up in an ai i use to Explore feed: Memory & Storage, four stocks, all four down. Micron -4.79%, SanDisk -4.90%, Seagate -4.05%, Western Digital -2.99%. Real order flow across the group: -$1.68B. What each line on the card is for Sector market cap: $1.72T.