The FED raises interest rate — On March 16, the U.S. Federal Reserve announced a 0.25% rate hike, which is in line with market expectations. This is the first rate hike since the normalization process of interest rates was stopped in 2019. Even though the rate hike is mild, but the FED announced that there will…

After the end of World War II, the world has established the United Nations, signed the Bretton Woods Agreement for the establishment of the General Agreement on Tariffs and Trade (GATT), and the implementation of the USD-centered quasi-gold-standard currency system. All these new institutions had brought 25-year post-war economic recovery. The 1970s — a restructuring era …

I think many readers are not good at Python coding like me, but are interested in using ML (Machine Learning) applications. So today I will introduce a new platform: TensorFlow Hub, where many pre-trained Python apps are provided. The pre-trained ML programs can be used directly on Google Colab. …

On February 24, 2022, Russia invaded Ukraine, European and American countries put forward a number of sanctions, including suspension of trade, removal of Russia from the SWIFT system and freezing of Russia’s foreign exchange reserves, etc. They plummeted the Russian stock market on the first day, a sharp drop of…

Ukraine is under three deadly attacks of “inflation, epidemic and war”, the Ukrainians have lost their economic, health and safety protection. They urgently need international help, but they have not received any meaningful supports so far. Ukrainians are struggling to save themselves, may Gold bless Ukrainians! It reminds me of…

When the pandemic broke out in early 2020, the global economy suffered a recession and unemployment rates of many countries rose sharply. A global increase in household debts may be mistakenly interpreted as a general need to borrow for tiding over the difficulties. …

There was an old ranch abandoned in the mountain slope next to Chi Fu Fa Yuen in Pok Fu Lam, Hong Kong (Figure 1). The old ranch was built by Dairy Farm in 1886 and purchased by Hong Kong Land Holdings Limited for residential development in 1972. Part of the…

[Youtube: https://youtu.be/LnsVmZQ2IL8] Artificial Neural Network (ANN) model is commonly used in machine learning as a way of learning approach. The reason why it is called neural networks NN is because it refers to the principle of biological neural networks, as shown in Figure 1. One of the key features of…

Pinyin (romanization) of Chinese names can be confusing to non-Chinese. For example, if you want to search the ranking of the Chairman of Evergrande, Mr Xu Jiayin, at the Bloomberg Billionaires Index (Bloomberg, 2022), you will not be able to find him. …