Biggest Pre-Market Losers

Losers: XL Group XL is trading down nearly 9% near $20.50. Autoliv ALV is trading down over 8% near $73.10, after the DOJ and EC began investigating the company for potential anti-trust violations. Check Point Software CHKP is trading down over 5.5% near $54.78. Dollar General DG is trading down over 4.75% near $32.50. Teck Resources TCK is trading down over 4.5% near $50.75.