Seeing bitcoin increasing in value it shows it is an asset to invest in that has good potential for profit. Their are some cryptocurrencies that their prices are not increasing, it is very risky to invest in coins like this. The increase of bitcoin price shows how bitcoin is valuable in the market than every other cryptocurrencies.
Bitcoin is valuable not just because it keeps increasing. There are times when the price of Bitcoin falls for a long time. But as long as the technology behind it and the trust in it remains, these bear market periods will pass and Bitcoin will rise again. The reason people trust Bitcoin is that it cannot be manipulated like other currencies, it cannot be printed out of thin air, and it acts according to predetermined rules. What really makes Bitcoin valuable is the mathematics behind it and the set of rules that have been thought, pondered and perfected over many years.