When investing in niche and high-risk investments, you need to exercise caution and conduct adequate research. Here are some investment markets and areas worth considering: 1. **Cryptocurrency**: In addition to Bitcoin and Ethereum, there are many small altcoins that may have huge potential benefits, but are extremely volatile. 2. **Decentralized Finance (DeFi)**: Investing in decentralized financial services and applications, such as lending platforms and liquidity pools, may bring considerable returns, but the risks are also correspondingly high. 3. **Non-fungible tokens (NFTs)**: Digital collectibles of art, music or gaming assets. The NFT market is volatile and still developing. 4. **Startup equity investment**: Investing in startups through crowdfunding platforms, although the return potential is high, many startups may ultimately fail. 5. **Overseas markets**: Some emerging markets or economies may offer higher return opportunities, such as some industries in Southeast Asia or Africa, but political or market risks need to be considered. 6. **Commodities**: Such as rare metals, oil or agricultural products, the prices may fluctuate greatly due to changes in global markets. 7. **Art and Antiques**: High-end art or antique investments require expertise and have low liquidity. 8. **Hedge Funds and Private Equity Funds**: Although they require a high investment threshold, some funds may focus on niche markets. When investing, make sure to diversify your portfolio and consider your risk tolerance. It is recommended to consult a financial advisor before making a major investment decision.