Record why a stock was purchased, turn that reasoning into testable assumptions, and define conditions for reassessment. Check new earnings and major events against those assumptions, update valuations, and maintain a history of suggested holding decisions.
中文简介正在准备中。当前显示英语简介。
- Document purchase reasons and reassessment conditions
- Check investment assumptions after quarterly earnings
- Review predefined warning conditions
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Structure and revise investment research into readable Markdown reports for Codex. Explain business economics, competitive advantages, opposing arguments, and valuation, then connect the evidence to price bands and actions for prospective investors and existing holders.
中文简介正在准备中。当前显示英语简介。
- Restructure a lengthy investment research report
- Explain how a company earns money and sustains its advantages
- Strengthen a report's bear case and observable risk indicators
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Researches a company’s business, competitive advantages, management, and risks through a value investing framework. Cross-checks financial data and calculates valuation scenarios to produce a sourced report with price ranges, conclusions, and clearly stated uncertainties.
中文简介正在准备中。当前显示英语简介。
- Researching a company before investing
- Assessing competitive advantages and management
- Comparing valuation scenarios
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Coordinate four AI researchers to examine a company's business, finances, competition, and management risks in parallel. Combine sourced findings into an investment report with valuation checks, arguments for and against investing, and suggested price ranges.
中文简介正在准备中。当前显示英语简介。
- Researching a company from four perspectives in parallel
- Comparing arguments for and against an investment
- Checking valuations against financial data
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Reviews stock holdings and cash allocation, checking each investment’s rationale alongside concentration, shared risks, and adverse scenarios. Produces a portfolio report with suggested allocation changes, cash levels, and priorities for the next review.
中文简介正在准备中。当前显示英语简介。
- Reviewing a portfolio each quarter
- Checking hidden concentration risks
- Comparing reasons to keep existing holdings
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Evaluate company leaders by comparing public promises with results and reviewing how they spend company funds. Examine acquisitions, share buybacks, governance, employee and customer feedback, and succession plans to produce an evidence-based management assessment.
中文简介正在准备中。当前显示英语简介。
- Checking whether a CEO delivered on public promises
- Reviewing acquisitions, share buybacks, and dividends
- Examining executive pay, ownership, and related-party transactions
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Screen listed companies using seven financial measures covering profitability, cash flow, debt payments, and share dilution, which reduces existing shareholders' ownership. Produce comparison tables showing exclusions, exemptions, borderline results, and missing data to guide further research.
中文简介正在准备中。当前显示英语简介。
- Screening several listed companies before deeper research
- Comparing financial quality within an industry
- Reviewing index constituents or investment themes
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Research high-growth industries to identify companies with pricing power and lasting competitive advantages. Cross-check financial reports against recent industry indicators, assess valuation, and build observable conditions for entering, holding, or exiting a position.
中文简介正在准备中。当前显示英语简介。
- Identify leading companies in a high-growth industry
- Cross-check earnings against recent industry indicators
- Define valuation conditions for entering a position
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Investigate supply shortages behind growing industries by tracing components, materials, and equipment. Compare related listed companies using financial data, valuation checks, and opposing evidence, then organize bottleneck maps and watchlists for further investment research.
中文简介正在准备中。当前显示英语简介。
- Find potential supply shortages in AI infrastructure
- Research overlooked component and material suppliers
- Compare supplier valuations and business risks
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Create Chinese articles for WeChat official accounts through research, drafting, and separate editor and reader reviews. Turn technical, paper, or business topics into a finished Markdown article with explanations, source links, and embedded illustrations.
中文简介正在准备中。当前显示英语简介。
- Write an accessible article explaining a technical paper
- Develop a researched article on a business topic
- Review a draft from editor and target-reader perspectives
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Research an investment theme across its full supply chain, test the underlying assumptions, and identify companies worldwide. Compare leading businesses, competitive strengths, management, risks, and valuations, then assemble an industry report with proposed portfolio allocations.
中文简介正在准备中。当前显示英语简介。
- Test the assumptions behind an investment theme
- Map an industry's supply chain and related companies
- Compare leading companies across industry segments
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Review companies before buying shares using six checks covering business clarity, financial strength, competitive advantages, management, valuation, and decision discipline. Get evidence-based reports, risk summaries, and comparison tables for multiple companies.
中文简介正在准备中。当前显示英语简介。
- Check a company before buying shares
- Compare several investment candidates
- Review valuation and downside scenarios
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Investigate sharp stock price moves through company events, regulation, competitors, and market sentiment. Produce an event timeline and evidence-based explanations, showing whether the investment case needs review and where information remains missing.
中文简介正在准备中。当前显示英语简介。
- Investigate a sudden stock price rise or fall
- Understand market reactions after earnings
- Assess whether a headline matters
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Research private companies with parallel agents covering business, finances, competition, governance, technology, and alternative evidence such as hiring trends. Combine findings into a valuation report that separates verified facts, estimates, conflicting sources, and unknowns.
中文简介正在准备中。当前显示英语简介。
- Researching a private company's business and risks
- Comparing funding valuations with estimated business value
- Finding operating signals in hiring and patent data
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Explores investing, business, and life questions through dialogue modeled on 段永平’s reasoning and speaking style. Helps clarify business quality, company culture, long-term ownership, and the limits of what you understand, without recommending specific trades.
中文简介正在准备中。当前显示英语简介。
- Learning value investing through dialogue
- Examining business models and company culture
- Clarifying the limits of your understanding
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Assess whether a company's distributions can support an income-focused investment. Examine dividend history, cash coverage, debt, valuation, and dividend-cut scenarios, then explain its possible portfolio role and calculate income where the supplied information supports it.
中文简介正在准备中。当前显示英语简介。
- Evaluate whether a high dividend yield is sustainable
- Review dividend coverage and cut risks in an existing holding
- Calculate gross and net dividend income when inputs allow
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Screen companies across markets within a chosen industry and narrow the list to three investment candidates. Compare financial health, lasting competitive advantages, valuations, and risks, while recording why other companies were excluded.
中文简介正在准备中。当前显示英语简介。
- Narrowing an industry's investment candidates to three companies
- Comparing Chinese, Hong Kong, and US stocks using shared criteria
- Reviewing why companies passed or failed the screening
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Compare old and new reports on the same company to see whether the investment case has strengthened or weakened. Separate evidence changes from price movements and wording, with traceable findings and follow-up questions.
中文简介正在准备中。当前显示英语简介。
- Compare reports before and after earnings
- Check whether an investment case still holds
- Separate price moves from business changes
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Create a series of three to eight long articles explaining a company's business, finances, leadership, and valuation. Adapt the structure to the company, verify facts, and check that figures, terminology, and references remain consistent across articles.
中文简介正在准备中。当前显示英语简介。
- Planning a public series explaining one company
- Turning company research into accessible long articles
- Checking figures and references across a series
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Read company financial reports and earnings calls to assess changes in revenue, cash flow, management explanations, and risks in the notes. Compare results with past performance and company guidance, then explain how the findings affect the investment case.
中文简介正在准备中。当前显示英语简介。
- Review the key changes in a company's latest earnings
- Check whether management delivered on earlier commitments
- Investigate financial notes and accounting warning signs
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Analyze company earnings from four perspectives: business performance, financial quality, competition, and risk. Combine the findings into a research report, then edit and review an accessible article for a WeChat official account.
中文简介正在准备中。当前显示英语简介。
- Examine a key quarterly or annual earnings release
- Compare profits with cash flow
- Track management promises and risk signals
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新
Collect company financial figures from two independent sources, compare discrepancies, and document possible causes. The workflow covers market-specific sources, currency and accounting differences, and historical share prices adjusted for stock splits and dividends.
中文简介正在准备中。当前显示英语简介。
- Cross-checking revenue and profit figures from two sources
- Investigating differences in currencies and accounting methods
- Collecting Taiwanese stock financials and monthly revenue
xbtlin/ai-berkshire☆ 1.7万2026年10月22日 更新