EghtesadOnline: Verizon Communications Inc (VZ.N) said on Thursday it expected to incur about $500 million in pre-tax expenses in the second quarter as a result of its $4.48 billion purchase of Yahoo Inc's (YHOO.O) core business.

EghtesadOnline: Verizon Communications Inc said on Tuesday it closed its $4.48 billion acquisition of Yahoo Inc's core business and that Marissa Mayer, chief executive of the internet company, had resigned.