Pre-market trend | Regeneron Pharma (REGN) plummeted nearly 10% on May 18, is short interest accelerating?

Technical Forecast
2026.05.19 13:00
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Yesterday, Regeneron Pharma's stock price plummeted 9.82% to $629.68, with a large bearish candlestick engulfing the gains of the previous days. The 5-day and 10-day moving averages were decisively breached, severely damaging the short-term bullish arrangement. The MACD daily line issued a bearish signal below the zero axis, indicating that selling pressure has shifted from testing to active attack, with the short-term trend rapidly weakening. The trading volume reached $1.87 billion, far exceeding the recent average level, showing clear signs of panic selling, with bears completely in control