Semiconductor stocks have shown significant movements recently, with several key indicators suggesting potential rebounds. $ARM held the 200-day moving average at 115 and the 50% Fibonacci retracement, indicating a possible big rebound. $SMCI has seen notable trading activity, with a morning trade yielding a 28% gain and a breakout today setting up for a big move. $SMCI also achieved a 115% gain. The semiconductor ETF $SMH found support near its rising 200-day moving average and is being closely watched by traders. $LLY is also ready to break out after days of consolidation, with a trigger at 918. The Dow was down 500 points, but semiconductors led a massive reversal, potentially retesting the 4500 area.