Sundar Pichai, CEO of Alphabet Inc., during Stanford's 2024 Business, Government, and Society forum in Stanford, California, April 3, 2024.Justin Sullivan | Getty ImagesWiz has walked away from a $23 billion deal to be acquired by Google, in what would have been the search giant's largest-ever deal, telling employees it would pursue an initial public offering as it initially planned."Saying no to such humbling offers is tough," Wiz co-founder Assaf Rappaport said in a memo obtained by CNBC to th...