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Astera Labs plunges 26.5% as a fresh sell signal fires

Astera Labs price action trading update: shares plunge 26.5% in a week as a fresh sell signal fires, ranking 19th of 140 US sell signals. Still 135% above its 200-week average, the model flags this setup as high-risk to trade.

Astera Labs plunges 26.5% as a fresh sell signal fires
Sell signal fires after a 26.5% weekly plunge
Astera Labs plunges 26.5% as a fresh sell signal fires
July 17, 2026
Sell signal fires after a 26.5% weekly plunge
Our view last week
Astera Labs stays boxed between the first resistance in the 439 area and the first support in the 412 area, the same corridor as last week. Beneath the surface something is shifting: the weekly ADX has climbed for a fourth straight week, and volume - 79% sell-side seven days ago - has rebalanced. The RSI, though, stays in persistent overbought territory. The stock is running at +177% from entry, with the double bottom in the 310 area still the rally's base.
This week's summary
Seven days ago Astera Labs was still boxed in the 412-439 corridor, with the long trade running at +177% from entry. This week the picture flips: the stock plunges 26.5% and closes with a fresh sell signal, 19th among the 140 US sell signals. Signal strength is very high, at 98 out of 100, reading a decline just starting to make lower lows. The stock is still 135% above its 200-week average, and the quality band flags trading as not recommended.
Fresh sell signal ·1st week from start ·US stocks ·T2 ·📅 Earnings · Aug 11 ★ See Gold version →
IQS Phase
42
ordinary
Signal Strength
98
decline starting to make lower lows
Sizing
STANDARD
Ranking
#19 / 140
New us stocks
Trade P&L %
+0.00%
from signal to today
Chart · Weekly — EMA50 · MACD · VWAP
Weekly chart · EMA50 · MACD · VWAP · Source: TradingView
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