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. $Unum Group (UNM.US)$ - up 5.1%
2. $Generac (GNRC.US)$ - up 5.0%
3. $Builders FirstSource (BLDR.US)$ - up 4.9%
4. $Livent (LTHM.US)$ - up 4.4%
5. $Pearson (PSO.US)$ - up 4.1%
6. $Verisk Analytics (VRSK.US)$ - up 3.6%
7. $Assurant (AIZ.US)$ - up 2.7%
8. $Vodafone (VOD.US)$ - up...