MU: Key levels heading into earnings

Micron Technology (MU) is scheduled to report earnings today (12/17/2025) after the close.

MU is under pressure after its push to a new high at 264.75 on December 10 did not hold. Today's weakness has breached the 50% retracement of the November 21 to December 10 rally near 228 with the 61.8% retracement near 220 and the rising 13-week (quarterly) moving average at 215 the next tactical levels to watch ahead of bigger support at the late November higher low at 192.59 and the 38.2% retracement of April-December rally at 187.

Additional supports:

• 170 - rising 26-week moving average

• 163-157 - 50% retracement and the June 2024 to September 2025 base breakout point

• 142-139 - rising 40-week moving average and 61.8% retracement

Resistances:

• 253 - upside count for the June 2024 to September 2025 basing pattern

• 260.58-264.75 - November and December peaks

Chart 1: Micron (MU): Daily chart with Fibonacci retracement levels

Chart 2: Micron (MU) (top) and relative to the S&P 500 (bottom)