Microsoft earlier invested $1.5 billion in G42, raising concerns by some U.S. lawmakers that the deal could lead to U.S. technology transfers to China.
TSMC is responding to pressure from customers and governments to diversify its operations beyond Taiwan to hedge against natural disasters and trade conflicts.
A new data center in Australia could ensure the app has enough computing capacity to power its growth while easing some political pressure in the country.
The DOJ is weighing in to support the new U.S. law that would force a ban or sale of TikTok, while the app is fighting a legal battle to block the law.