Not sure about a coordinated price increase, but I can tell you that in the US, the tariff exemption for electronic components in China will expire on August 7th, 2020.
The U.S. Trade Representative (USTR) announced that it lifted tariffs on $200 billion worth of goods imported from China...
It seems to me that Antec has exited the US market. They have not updated social media content in months and they have not responded to my direct emails or messages. I wonder if it is related to the tariffs?