Utility stocks seem to be parabolic

These days, everyone is hungry for income. When your money only gives you almost nothing by saving them in the bank, people are forced to go somewhere else to look for better income. High dividend stocks have thus become fashion in the stock market to be chased up. One of them is utility stocks. Utility companies such as power or gas companies are a highly regulated sector. In other words, they cannot set the price of power or gas simply by supply or demand but rather any price changes must be approved by the government first. While this sounds negative for utility companies, they are also kind of being protected since it is very difficult for others to step into this industry due to a very high regulatory threshold. In other words, there is not much competition for them. So typically utility companies are highly indebted but pay out high dividend yields, often at 3-4%. With near zero interest rate for savings nowadays, 3-4% dividends are quite attractive and people have poured their money into this sector in the past half a year. Below is the chart for the utility ETF, XLU.  It now has come to some extreme to me. Utility companies are typically boring companies. A 25% increase over just 6 months is huge for them. I think it is topping now for utilities, especially considering May is usually a bearish month for stock markets. People usually say "Sell May and go away". If you own utility stocks, at least you need to be careful to monitor them and lock your profit timely without giving back too much. If you don't own them, definitely not a time to buy now. I'm even considering to short XLU for the next few months.