The article is about Verizon threatening to pull out of the deal, or use the breach as leverage to secure a lower price. The market thinks that may happen, henc

The article is about Verizon threatening to pull out of the deal, or use the breach as leverage to secure a lower price. The market thinks that may happen, hence the fall in price. Even if Verizon end up paying the full price, the fact that investors really worried that they wouldn't is enough to share future companies.