Materion's 15min chart shows MACD and KDJ Death Crosses, signaling bearish trend.

Based on Materion's 15-minute chart, a notable technical indicator has been triggered. Specifically, the Moving Average Convergence Divergence (MACD) and Keltner's Jitter Divergence (KDJ) indicators have both recently crossed into negative territory. This occurrence, known as a "Death Cross," indicates that the stock price has entered a bearish trend and is likely to continue its downward trajectory. Moreover, the momentum of the stock price has shifted towards the downside, suggesting a potential further decrease in value.