It costs both technology and money! Why do countries value the flying “iron bird” so much?

On December 2, 2022, Northrop Grumman Company of the United States publicly displayed its B-21 “Raider”…

Zhugeliang’s strategy and grand strategy

The year before the battle of Chibi (AD 207), Liu Bei invited Zhugeliang out of the…

Do interest rate hikes call for a change of investing strategy? 

Buying shares when they look cheap in the hope they’ll be worth more later may seem…