Here are some tips for how to diversify your investment portfolio:

– Invest across asset classes – stocks, bonds, real estate, commodities, etc. This helps reduce overall volatility and risk.

– Within equities, diversify across sectors, market caps, growth/value stocks, domestic and international. This provides exposure to different segments of the stock market.

– Consider alternative investments like private equity, hedge funds, managed futures, commodities, currencies. They have lower correlation to traditional assets.

– Rebalance periodically to maintain target allocations. As some assets outperform, rebalance by selling winners and adding to losers.

– Diversify time horizons – have some short-term investments for liquidity needs along with longer-term ones. Laddered CDs and bonds are a way to do this.

– Diversify accounts – rather than concentrating assets, open different accounts (IRA, Roth IRA, taxable brokerage) for flexibility.

– Limit position sizes – any single investment should only represent a small percentage of the overall portfolio.

– Use low-cost diversified funds like index ETFs and mutual funds to efficiently diversify within an asset class.

– Diversify across geographies by investing globally, not just in domestic markets.

– Consider automatically investing set amounts periodically into diversified ETFs to maintain discipline.

The goal is to spread risk and reduce volatility while improving chances of long-term returns through broad diversification. Evaluate and rebalance your portfolio allocation periodically.