Bonds are boring. They are the beige minivan of the investment world. Yet, bond yields (which move inversely to prices) are hugely important. They determine lots of things: from how much companies and governments pay to borrow money -- to the rate you get on your mortgage. To help you navigate the complex world of interest rates, here are some free resources.
Extreme financial optimism is on display with "stocks, property, cryptocurrencies and digital art." Also consider junk bonds. Here's a chart and commentary.