When the year began, a billionaire with close ties to the White House was a lock for the most newsworthy tech titan of 2025. But 12 chaotic months later, Larry Ellison, not Elon Musk, can justifiably lay claim to the title.The 81-year-old Oracle Corp. co-founder and chairman has been omnipresent — playing a role in just about every major business story of the year, from the frenzied artificial intelligence boom to the megadeals that are roiling Hollywood. Oracle even plans to take a stake in TikTok as part ...