Western Digital Stock (WDC) After Hours Today, Dec. 19, 2025: Nasdaq-100 Inclusion Looms—What to Know Before the Next Market Open
Western Digital shares closed Friday at $181.08, up 3.47%, with volume at 36.23 million ahead of its addition to the Nasdaq-100 Index on Dec. 22. The stock traded around $182.80 in after-hours, rising about 1% as index trackers and funds positioned for the inclusion.