买入需要最低金额是多少？

Microsoft ( $微软 (MSFT.US)$ ) and NVIDIA ( $英伟达 (NVDA.US)$ ) today announced that they trained what they claim is the largest and most capable AI-powered language model to date: Megatron-Turing Natural Language Generation. Love to see it, like I have said multiple times before, NVIDIA is my single favorite stock, I think they will play a huge role in powering future technologies.

$Meta Platforms (FB.US)$ 现在是买入的好时机吗？

$Meta Platforms (FB.US)$ Newbie Here.