Universal Display's 15-min chart shows MACD Death Cross and KDJ Death Cross.

According to the 15-minute chart for Universal Display, there have been two significant technical indicators that have triggered. Firstly, the Moving Average Convergence Divergence (MACD) has formed a "death cross," which is a bearish signal indicating that the stock price has the potential to continue falling. Secondly, the KDJ (KST Divergence) indicator has also triggered a "death cross" at the same time, reinforcing the notion that the momentum of the stock price is shifting towards the downside and may further decrease.