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...