Cash is most important in stock market said warren buffet. Warren Buffet is well known investor from last 60-70 years of good track records. Warren started investing from very early age.
Stock is fluctuate all time due to market conditions and high liquidity in market all time. Investing All money into stock some time good while market go up but every time investing all your money into stocks will be regretful.
Stock market was go from cycles just like business cycle. when economy is doing well stock will outperformed, But when any crisis happens then it is hard to give returns to investors.
Why We Need To Stay On Cash Over Investing ?
Staying on cash have many advantages like your risk is low, taking advantage of opportunity,etc

Low Risk :- Staying on cash help to reduce risk because your 80 percent money is invested if stock fall then your portfolio will fall less as compared to others.
Opportunity Advantages :- When market was in bear run or fall more than ten percent then you have chance to invest at lower point and due to having large amount on cash then you portfolio average price is drastically lower.
Reduce Portfolio Volatility :- When you amount is one lakhs and you invest all you money then your portfolio become more risky. If any sudden fall or up in market increase volatility of you portfolio.
Warren buffet manages huge money than any retail investor if any retail investor take wrong decision then they don’t loss much money but warren buffet can.
Warren buffet is worlds 6 th richest person if they invest all their money into stocks then they loss more in bear run and due to they have less cash they can’t invest and take advantage of any opportunity.
Berkshire Hathaway, a multinational conglomerate holding company. However, the specific fund size of Warren Buffett’s investment portfolio may vary over time due to market fluctuations and investment activities.
At that time, Berkshire Hathaway had a substantial investment portfolio valued at hundreds of billions of dollars.
However, it’s important to note that this portfolio includes investments in various companies and assets and is not solely Warren Buffett’s personal fund. Buffett has also committed a significant portion of his wealth to philanthropic efforts, primarily through the Bill and Melinda Gates Foundation.