AMEC (688012, SSE) is a China company in the Semiconductor Equipment segment of the AI compute value chain — AMEC, Chinese etch-equipment maker used by leading fabs. As of October 04, 2026, its market cap is $45.4 billion ($45.4B), ranking #66 of 244 companies overall and #10 of 35 in the Semiconductor Equipment segment (1.6% of the segment, 0.18% of the chain). Over the past year the stock gained 124.3% (52-week range 173.91 – 471.59 CNY).
| Company | AMEC（中微公司） |
|---|---|
| Ticker | 688012 · SSE |
| Segment | Semiconductor Equipment |
| Headquarters | China |
| Market cap | $45.4B（$45.4 billion） |
| Close | 318.55 CNY (October 04, 2026) |
| Today | -1.92% |
| 30 days | -20.03% |
| 1 year | +124.26% |
| 52-wk high / low | 471.59 / 173.91 CNY |
| Share of segment | 1.6% (Semiconductor Equipment: 35 companies) |
| Share of chain | 0.18% (244 companies combined) |
| Segment leader | ASML Holding ($717.2B) |
| Net income (TTM) | $630.1 million |
|---|---|
| P/E ratio (TTM) | 72.1 |
| P/B ratio | 10.16 |
| Basis | PE/PB 腾讯行情；净利润=总市值÷PE 推算（TTM） (source: tencent, 2026-10-05 08:05) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | ASML Holding ASML | US | $717.2B |
| 2 | Lam Research LRCX | US | $434.9B |
| 3 | Applied Materials AMAT | US | $428.6B |
| 4 | KLA Corporation KLAC | US | $270.0B |
| 5 | Tokyo Electron 8035.T | JP | $179.4B |
| 6 | Advantest 6857.T | JP | $179.2B |
| 7 | Teradyne TER | US | $70.2B |
| 8 | NAURA Technology 002371 | SZ | $66.6B |
| 9 | ASM International ASMIY | US | $52.1B |
| 10 | AMEC 688012 | SH | $45.4B |