As for stone gambling, the Tang family already knew about it, so he wasn't surprised. Even though he was curious about how Gu Ning was able to make so much money by stone gambling, it was hard to find that out. All in all, the changes began from four months ago.
They didn't get much useful information, because they had just done a basic investigation. They could turn to the Bureau of Industry and Commerce if they wanted to know which companies were under Gu Ning's name, but they had no interest in doing that because it wasn't important. After all, they already knew about many of Gu Ning's companies.
Reading what Gu Ning and Gu Man had experienced, Tang Yunfan was furious all of a sudden. He wasn't a man with a lot of sympathies, but he failed to curb his anger when Gu Ning and Gu Man were involved.