Throughout the day I speak to a lot of novice investors, and I’ve noticed a clear and consistent pattern. With very few exceptions, I’m seeing new traders piling into technology-sector stocks. There’s nothing inherently wrong with technology stocks, but there are other areas to consider.

The turnaround in sentiment has been stunningly quick as retail traders and mainstream commentators, after ignoring precious metals for months on end, are suddenly interested in gold and silver. Even millennials are buying precious metals in the Robinhood accounts.

Regardless of what you like to trade, you need to pay attention to currency movements. The so-called King Dollar has a profound impact in stocks, bonds, commodities, and cryptocurrencies. In fact, you can become a much better investor simply by studying the U.S. dollar.

Throughout the year, from interviews and in my writing, I’ve been trying to give anyone that would listen a glimpse of what is to come in precious metals. One of those in particular, is the habit shift of millennials ultimately jumping onboard the precious metals train as higher prices and concerns surrounding them wins them over.

Prior to the stock-market crash of 1929, Joseph Kennedy warned that when your shoeshine boy is giving you stock tips, it’s time to exit the market. He was right, of course, and history appears to be repeating itself as the proverbial shoeshine boys are being replaced by Uber drivers and Robinhood traders.