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macro_brief

Weekend Market Update — Saturday, March 28, 2026

March 28, 2026

Regime: Bear Market, Narrow Internal Leadership

The broad market remains in a confirmed bear regime. QQQ closed Friday at $563.27, sitting 7.1% below its 50-day SMA ($606.48). SPY ($634.31) is 6.7% below its SMA50 ($679.53), and SMH ($374.81) is 6.4% below ($400.27). No major index is near reclaiming its 50-day moving average — this is not a dip, it's a trend.

Friday's Key Moves

Despite index-level weakness, the AI infrastructure supply chain showed selective strength on Friday:

  • CIEN +3.85% to $402.93 — fiber/optical networking printing fresh strength
  • SNDK +2.13% to $616.00 — flash storage outperforming into the close
  • LITE +2.03% to $702.76 — coherent optical components bid up again
  • CEG +2.31% to $302.01 — nuclear energy holding up in a soft tape

Three position exits were triggered: DDOG hit its 10% stop at $113.14 (held 14 days), TSM and ANET both slipped below SMA50 × 0.95, ending their recoveries.

Sector Rotation: Hardware Over Software

Layer RS scores show a clear two-tier structure within the AI supply chain:

Leading (positive RS, well above index):

  1. Memory & Storage — avg RS +102.5 — led by SNDK (97th pct, RS 216), WDC (RS 119), STX (RS 76)
  2. Networking — avg RS +92.8 — led by LITE (94th pct, RS 206), CIEN (91st pct, RS 156), COHR (RS 87)
  3. Semiconductor Equipment — avg RS +55.8 — TER, LRCX, AMAT holding firm

Lagging (compressed or negative RS):

  • Software & Models — avg RS –8.7 — DDOG (–13) and PLTR (–4) both in negative territory, confirming AI software names are the weakest link in the chain right now.

The HBM Thesis Stays Live

Social flow flagged persistent commentary on AI communication latency requiring more HBM capacity per GPU. SNDK and MU are at the center of this thesis. With SNDK at the 97th RS percentile and WDC close behind, the market is pricing in HBM demand even as the broad tape declines — a notable divergence.

Watch for Monday

  1. Can Memory & Networking names hold gains? SNDK and LITE have been acting as defensive trades within the AI supply chain. Continued outperformance in a down market signals genuine institutional sponsorship.
  2. Software names under pressure. DDOG just stopped out; PLTR is near its RS floor. Any further macro sell-off likely hits these names hardest.
  3. Index levels: QQQ needs to reclaim $580+ to start stabilizing. Until then, treat bounces as opportunities to review exposure, not add risk.