Split sector: industrial chemicals (DOW, LYB, PPG, DD) are war-ends playbook beneficiaries riding an energy-input-cost thesis, while specialty gases (APD, LIN) are a different animal — near all-time highs, strong-up, and APD carries a separate strategic flag as the Gulf Infrastructure Strike hedge (Doe Canyon plant = world's only non-Gulf semi-grade helium source). The commodity chemicals are up huge on 3M (+38-39%) but have pulled back on 30D — a normal digestion. Specialty gases are grinding higher with no sign of stopping.

APD ($301.76, RSI 63.1, strong-up, golden cross, -0.9% from 52wk high) This is the most interesting name in the scan. It's running two separate theses simultaneously:

1. War-ends thesis: Industrial gas demand rises with reconstruction activity, manufacturing re-normalization, and lower energy input costs
2. Gulf Infrastructure Strike hedge: APD's Doe Canyon plant in Colorado is the world's only non-Gulf source of semi-grade helium suitable for semiconductor fabs. If Gulf infrastructure is struck, APD doesn't just benefit — it becomes the global monopolist for chip-grade helium. This is a tail-risk premium that the market has not fully priced. Chart is clean: just -0.9% from 52wk high, 3M +15.63%, RSI 63.1 with headroom before overbought.

LIN ($510.30, RSI 60.7, strong-up, golden cross, -0.07% from 52wk high) Essentially at all-time highs. Linde is the global industrial gas duopoly partner (with APD). Lower beta to the Gulf helium story than APD because Linde has broader geographic diversification, but both benefit from the same supply thesis. 3M +12.52%, RSI 60.7, headroom remaining.

DOW ($38.66, RSI 52.3, strong-up, golden cross) Exploded +38.82% in 3 months on energy-input-cost deflation thesis (war-ends → lower nat gas → lower ethylene feedstock costs). Now consolidating: -2.42% on 30D. Golden cross intact, strong-up trend. The big move is already in, but the thesis is durable if the peace narrative advances. 43.2% above SMA200 — extended but not concerning given the prior multi-year underperformance.

LYB ($69.87, RSI 46.5, strong-up, golden cross) Similar story to DOW — +39.04% on 3M, -9.48% on 30D. The pullback is sharper than DOW's, which creates a potentially better entry. RSI 46.5 is approaching the zone where the stock becomes interesting again. 30.4% above SMA200, still has room vs. history. LyondellBasell's polymer/refining mix is more energy-sensitive than DOW's diversified chemicals.

ECL ($269.49, RSI 47.0, trend "down") Ecolab is a specialty water/hygiene chemical company — not really a war-ends play. Down trend, golden cross still intact but -12.9% from 52wk high. Needs a specific thesis to engage here; don't buy it as a chemicals basket trade.

SHW ($334.38, RSI 55.3, strong-down, death cross) Sherwin-Williams is a housing/construction paint play. Death cross. Strong-down trend. The war-ends thesis only helps SHW if reconstruction activity drives paint demand — that's a very long lead time. -11.9% from 52wk high. Avoid until death cross resolves.

PPG ($107.72, RSI 49.8, weak-down) Similar to SHW — coatings company tied to housing and auto. Weak-down trend, -19.3% from 52wk high. No near-term catalyst. Golden cross is technically present but trend is deteriorating.

DD ($46.33, RSI 50.0, weak-down, golden cross) DuPont's spin-off complexity makes it hard to read. +72% on 1Y makes it a strong compounder structurally, but the near-term trend is weak-down. Flat on 30D, +5.25% on 3M. Hold if you own it; not an entry here.

APD's Doe Canyon helium plant (La Plata County, Colorado) is a critical infrastructure flag for the Gulf Infrastructure Strike perspective. Key facts:

• Only non-Gulf semi-grade helium source globally — all other semi-grade helium comes from the Middle East/Gulf region
• Semiconductor fabs require semi-grade helium for wafer fab cooling; no viable substitute at scale
• A Gulf infrastructure strike doesn't just disrupt helium supply — it creates a temporary APD global monopoly
• This tail-risk premium is not visible in APD's RSI (63.1) or 30D chart (+4.68%) — the market is not pricing this scenario
• Cross-reference: GULF-INFRASTRUCTURE-STRIKE (or equivalent active perspective)

The industrial chemicals (DOW, LYB) ran hard on the war-ends energy thesis through Q1 2026 (+38-39% 3M) and are now in a normal digestion phase. The specialty gas leaders (APD, LIN) continue grinding higher and are at or near all-time highs — this is the quality layer of the sector with secular demand drivers independent of war-ends. SHW's death cross is new and concerning for anyone holding it as a construction proxy. Overall, the war-ends thesis partially hit in chemicals the same way it did in airlines — it provided a floor and a catalyst for the energy-sensitive names, but the sustained re-rating stopped at fair value rather than overshooting.

• Has the Gulf Infrastructure Strike perspective been updated to include APD's Doe Canyon helium flag explicitly?
• Does DOW/LYB's energy input thesis require nat gas to stay below a specific level to hold?
• Is ECL worth tracking at all in this watchlist, or should it be swapped for a more relevant name?