As the news were released that China blocked the smartphone-payment schemes of Alibaba and Yahoo, Yahoo shares fell slightly. The reason was that China's central bank sensed a potential risk to consumers. However, it recovered as soon as Alibaba announced its preparation for its upcoming IPO. Yahoo owns 24% stake in Alibaba and has received great benefits. Recently, there has been signs that Alibaba's growth is slowing down. Data shows that their revenue surged 51% year over year (in September), which is 61% lower than the previous quarter. Now, many are concerned about the slowdown in the Chinese economy and how that can impact Alibaba and Yahoo. As of this year, Yahoo has fallen 7% (3% of that in this week alone)