Skill in 《Common Stocks and Uncommon Profits》

Skill.md

name: stock-picking-by-common-stocks-uncommon-profits
description: >
  Apply Philip Fisher's growth stock investment framework from Common Stocks
  and Uncommon Profits. Use when a user wants to evaluate whether a company is
  a worthy long-term growth investment, assess management quality, gather
  competitive intelligence via scuttlebutt, decide when to buy an outstanding
  stock at the right moment, or decide whether to hold or sell a current position.
  Trigger phrases: "is X a growth stock", "Fisher framework", "15 points",
  "scuttlebutt", "should I buy X", "should I sell X", "growth stock analysis".
license: Skill distillation for personal/educational use. Do not reproduce source passages verbatim.

Common Stocks and Uncommon Profits — Skill (Philip Fisher)

Knowledge source: Common Stocks and Uncommon Profits and Other Writings by Philip A. Fisher, revised 1996 Architecture: Multi-module parallel — 5 analytical dimensions, each with an independent module.md + case_library.md

stock-picking-by-common-stocks-uncommon-profits/
├── SKILL.md                              ← This file (master dispatcher)
└── subskills/
    ├── m1_fifteen_points/
    │   ├── module.md                     ← 15-Point evaluation framework
    │   └── references/case_library.md
    ├── m2_management/
    │   ├── module.md                     ← Management quality deep analysis
    │   └── references/case_library.md
    ├── m3_scuttlebutt/
    │   ├── module.md                     ← Competitive intelligence gathering
    │   └── references/case_library.md
    ├── m4_when_to_buy/
    │   ├── module.md                     ← Entry timing judgment
    │   └── references/case_library.md
    └── m5_when_to_sell/
        ├── module.md                     ← Hold/sell decision framework
        └── references/case_library.md

Skill Purpose

Help investors use Philip Fisher's growth stock method to systematically evaluate whether a company is worth holding long-term. Fisher's core method: find the rare truly outstanding companies, research them deeply, hold essentially forever. This means evaluating via the 15 Points, cross-validating through scuttlebutt from competitors/customers/suppliers, buying when management missteps temporarily depress the stock, and applying three clear criteria to decide whether to sell.

This is not a trading tool or valuation calculator. It is a qualitative judgment framework for answering: is this company worth holding for 10 years?

Routing Rules

Execution

When invoking a module, Read the corresponding file:

• M1 (15 Points): Read subskills/m1_fifteen_points/module.md, case library: subskills/m1_fifteen_points/references/case_library.md
• M2 (Management): Read subskills/m2_management/module.md, case library: subskills/m2_management/references/case_library.md
• M3 (Scuttlebutt): Read subskills/m3_scuttlebutt/module.md, case library: subskills/m3_scuttlebutt/references/case_library.md
• M4 (When to buy): Read subskills/m4_when_to_buy/module.md, case library: subskills/m4_when_to_buy/references/case_library.md
• M5 (When to sell): Read subskills/m5_when_to_sell/module.md, case library: subskills/m5_when_to_sell/references/case_library.md

What Not to Do

• ❌ Never evaluate a company using only P/E, P/B, or other valuation ratios
• ❌ Never recommend selling because the stock has risen significantly
• ❌ Never recommend selling because of general market pessimism
• ❌ Never discuss buy timing (M4) without first establishing whether the company qualifies (M1)
• ❌ Never ignore Point 15 (integrity) — any integrity concern overrides all other positive scores