How did the increase in price on Aliexpress for the Raspberri zero 2 w from 40 USD to 105 USD happen?

We had linked an offer on Aliexpress with a Raspberri zero 2 w which offered the board as well as a case which was especially made for and usb hub. Shortly after that, the offer which sells the Raspberri zero 2 w for 40 USD was gone. The most affordable Raspberri zero 2 where then …