Yahoo is taking a US$350 million hit on its previously announced US$4.8 billion sale to Verizon in a concession for security lapses that exposed personal information stored in more than 1 billion Yahoo user accounts. The revised agreement, announced Tuesday, eases investor worries that Verizon Communications Inc. would demand a discount of at least US$1 billion or cancel the deal entirely.&n… Yahoo is taking a US$350 million hit on its previously announced US$4.8 billion sale to Verizon in a concession for security lapses that exposed personal information stored in more than 1 billion Yahoo user accounts.