Here are the top gap ups and downs for the stocks with a market cap above $5 billion after the previous market closed (gaps range from large to small):
Gap Ups
1. $SolarEdge Technologies (SEDG.US)$ - up 7.31%
2. $Kohl's Corp (KSS.US)$ - up 4.46%
3. $DuPont (DD.US)$ - up 4.38%
4. $Welltower Inc (WELL.US)$ - up 4.02%
5. $CNH Industrial (CNHI.US)$ - up 3.18%
6. $Planet Fitness (PLNT.US)$ - up 3.46%
7. $Qiagen NV (QGEN.US)$ - up 2.35%
8. $Taiwan Semiconductor (TSM.US)$ - up 2.05...

Gapping up
In reaction to earnings/guidance:
• $Evolution Petroleum (EPM.US)$ +9%, $Radiant Logistics (RLGT.US)$ +5.3%, $BRP Inc (DOOO.US)$ +1.4%, $Goosehead Insurance (GSHD.US)$ +1%, $Ashland (ASH.US)$ +0.9%, $RTX Corp (RTX.US)$ +0.7%
Other news:
• $Delwinds Insurance (DWIN.US)$ +18.5% (announces forward purchase agreement and amended backstop agreements)
• $NGM Biopharmaceuticals (NGM.US)$ +6.1% (provides preliminary findings for Pha...

Upgrades
• $Argo Group International (ARGO.US)$ : Compass Point Upgrades to Buy from Neutral - PT $28.50
• $Apache (APA.US)$ : Citigroup Upgrades to Buy from Neutral - PT $58 (from $40)
• $Canadian National Railway (CNI.US)$ : BofA Securities Upgrades to Buy from Neutral - PT $135 (from $128)
• $Canadian Pacific Railway (CP.US)$ : BofA Securities Upgrades to Buy from Neutral - PT $87 (from $85)
• $Carpenter Technology (CRS.US)$ : Cowen Upgra...

Upgrades
• $Argo Group International (ARGO.US)$ : Compass Point Upgrades to Buy from Neutral - PT $28.50
• $Apache (APA.US)$ : Citigroup Upgrades to Buy from Neutral - PT $58 (from $40)
• $Canadian National Railway (CNI.US)$ : BofA Securities Upgrades to Buy from Neutral - PT $135 (from $128)
• $Canadian Pacific Railway (CP.US)$ : BofA Securities Upgrades to Buy from Neutral - PT $87 (from $85)
• $Carpenter Technology (CRS.US)$ : Cowen Upgr...

Gainers:
In reaction to earnings/guidance:
• $The ODP (ODP.US)$ +8.03% (The ODP Corporation gains on guiding Q2 and FY22 earnings above the consensus; to buyback shares of $600M)
• $Synchrony Financial (SYF.US)$ +4.2%(The financial services company posted adjusted earnings per share of $1.60 for the June ended quarter, beating analysts' estimates of $1.41 per share, according to FactSet.)
• $Goldman Sachs (GS.US)$ +4.2% (Goldman Sachs beats...