Stay rooted in principles and don’t follow the herd
Sir Isaac Newton is widely regarded as one of the greatest minds in human history. He formulated the laws of motion, developed calculus, and transformed our understanding of the physical world.
Yet even Newton fell victim to one of the classic pitfalls in investing: following the herd.
During the South Sea Bubble of 1720, Newton initially invested in the South Sea Company and made a healthy profit. Sensing that valuations were becoming excessive, he sold his shares and walked away.
That should have been the end of the story.
Instead, Newton watched as the stock continued to rise. Friends, acquaintances, and other investors were getting richer by the day. The excitement became impossible to ignore. Eventually, Newton re-entered the market near the peak; this was just before the bubble collapsed. He reportedly lost a substantial fortune and later remarked:
"I can calculate the motions of the heavenly bodies, but not the madness of people."
Sir Isaac Newton, 1720
Three hundred years later, investors continue to make the same mistake. But there is a way to avoid it. And that is smart asset allocation.
Let us first understand how it works.
The basics of asset allocation
When most people hear the term asset allocation, they imagine a complex portfolio spread across multiple asset classes.
In reality, the most important asset allocation decision most investors will make is deciding how much money to put into equity and how much to keep in debt.
Equity is where long-term wealth creation happens. It gives you ownership in businesses and the potential to participate in their growth over time.
Debt plays a different role. It provides stability, predictability, and a cushion during periods when stock markets become volatile.
Neither is superior to the other. They simply serve different purposes.
The goal of asset allocation is to find the right balance between growth and stability based on your financial goals, risk tolerance, and investment horizon.
How an equity-debt split helps you grow your wealth
At first glance, keeping money in debt may seem like a drag on returns. After all, equities have historically generated higher returns over long periods.
But investing is not just about maximizing returns. It's about earning returns you can actually stick with.
Imagine an investor with 100 per cent of their money in equities. During a market crash, their portfolio could experience significant declines. If the fall becomes too painful, they may panic and exit the market altogether.
Now consider an investor with a 70:30 equity-debt allocation.
The debt portion helps reduce the severity of market declines. As a result, the investor is more likely to remain invested through difficult periods.
How an equity-debt split protects your wealth
This is where debt proves its value.
When markets are booming, equities tend to dominate headlines. Debt often feels boring by comparison.
But when markets fall sharply, debt becomes the stabilizing force within the portfolio.
Suppose your portfolio is split 70 per cent in equity and 30 per cent in debt. If equities decline significantly, the debt portion helps cushion the overall impact. More importantly, it gives you something valuable: dry powder.
Instead of selling equities at depressed prices, you can rebalance by moving some money from debt into equity. This forces you to do something that most investors struggle with — buy when others are fearful.
Likewise, after a strong bull run, you may move some gains from equity into debt, locking in profits rather than becoming overexposed to a booming market.
The process is simple but powerful. It creates a system that counters emotional decision-making.
Sir Isaac Newton's mistake was not a lack of intelligence. It was allowing the crowd to influence his decisions. The same risk exists today.
When the market goes upwards, people move heavily into equity because they want high returns at any cost. But once they have put so much in equity, and a crash comes, they suddenly remember that their portfolio has no cushion. And all of a sudden the tide turns, and people put their money into debt.
Asset allocation helps you avoid being swayed by the herd. After all, successful investing isn't about making countless decisions based on trends. Rather, it relies on creating a portfolio that can be set on autopilot and is independent of market conditions.
