Here are the top gap ups and downs for the stocks with a market cap above $5 billion after market closed (gaps range from large to small):
Gap Ups
1. $Azenta (AZTA.US)$ - up 14.9%
2. $Toast (TOST.US)$ - up 12.1%
3. $Celsius Holdings (CELH.US)$ - up 9.6%
4. $Axon Enterprise (AXON.US)$ - up 9.2%
5. $Marqeta (MQ.US)$ - up 7.6%
6. $Akamai (AKAM.US)$ - up 6.1%
7. $Coupang (CPNG.US)$ - up 5.8%
8. $Penn Entertainment (PENN.US)$ - up 5.3%
9...

Here are the top gap ups and downs for the stocks with a market cap above $5 billion after market closed (gaps range from large to small):
Gap Ups
1. $Korea Electric Power (KEP.US)$ - up 2.9%
2. $Pilgrim's Pride (PPC.US)$ - up 2.6%
3. $The Trade Desk (TTD.US)$ - up 2.0%
4. $Sibanye Stillwater (SBSW.US)$ - up 1.9%
5. $Rio Tinto (RIO.US)$ - up 1.8%
6. $Infosys (INFY.US)$ - up 1.8%
7. $JD.com (JD.US)$ - up 1.7%
8. $Deutsche Bank (DB.US)$ - up 1.7%...

Gainers:
• $Theravance Biopharma (TBPH.US)$ +15.9% (TBPH to sell all of its units in Theravance Respiratory to RPRX for over $1.5 bln)
• $Amryt Pharma (AMYT.US)$ +11.9% (FDA grants Orphan Drug Designation to Mycapssa for the treatment of Carcinoid Syndrome)
• $Green Brick Partners (GRBK.US)$ +7.3% (to join S&P SmallCap 600)
• $TransGlobe Energy (TGA.US)$ +6.9% (Transglobe Energy to be acquired by VALLCO Energy (EGY) in stock-for-stock...

Upgrades
• $Air Products & Chemicals (APD.US)$: JPMorgan Upgrades to Overweight from Neutral - PT $275
• $Associated Banc (ASB.US)$: Wells Fargo Upgrades to Overweight from Equal Weight - PT $28 (from $26)
• $Armstrong World Industries (AWI.US)$: Jefferies Upgrades to Buy from Hold - PT $111 (from $101)
• $BlackBerry (BB.US)$: RBC Capital Upgrades to Sector Perform from Underperform - PT $7
• $Commerce Bancshares (CBSH.US)$: Wells Fargo Upgrades to Equal Weight from...