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Is it worth investing in Index Fund, Bond Index Fund and Gold at the same time?
Taking into account that you are in Cyprus, a Euro country, you should not invest in USD as the USA and China are starting a currency war that will benefit the Euro. Meaning, if you buy USD today, they will be worth less in a couple of months. As for the way of investing your money. Look at it like a boat race, starting on the 1st of January and ending on the 31st of December each year. There are a lot of boats in the water. Some are small, some are big, some are whole fleets. Your objective is to choose the fastest boat at any time. If you invest all of your money in one small boat, that might sink before the end of the year, you are putting yourself at risk. Say: Startup Capital. If you invest all of your money in a medium sized boat, you still run the risk of it sinking. Say: Stock market stock. If you invest all of your money in a supertanker, the risk of it sinking is smaller, and the probability of it ending first in the race is also smaller. Say: a stock of a multinational. A fleet is limited by it's slowest boat, but it will surely reach the shore. Say: a fund. Now investing money is time consuming, and you may not have the money to create your own portfolio (your own fleet). So a fund should be your choice. However, there are a lot of funds out there, and not all funds perform the same.  Most funds are compared with their index. A 3 star Morningstar rated fund is performing on par with it's index for a time period. A 4 or 5 star rated fund is doing better than it's index. Most funds fluctuate between ratings. A 4 star rated fund can be mismanaged and in a number of months become a 2 star rated fund. Or the other way around. But it's not just luck. Depending on the money you have available, your best bet is to buy a number of star rated, managed funds. There are a lot of factors to keep into account. Currency is one. Geography, Sector... Don't buy for less than 1.000€ in one fund, and don't buy more than 10 funds. Stay away from Gold, unless you want to speculate (short term). Stay away from the USD (for now). And if you can prevent it, don't put all your eggs in one basket.