Perform an industry comparison across the companies named in the user's request. If no ticker or company is provided, ask for one before proceeding.

The user will provide multiple tickers separated by spaces (e.g., "AAPL MSFT GOOG AMZN").

Before starting, read ../data-access.md for data access methods and ../design-system.md for formatting conventions. Follow the data access detection logic and design system throughout this skill.

Follow these steps:

1. Company Lookups

Look up all provided tickers using discover_companies. For each company, capture:

company_id
latest_calendar_quarter — use the earliest latest_calendar_quarter across all companies as the anchor for period calculations (see ../data-access.md Section 1.5)
latest_fiscal_quarter
Note each company's fiscal year end — this is critical for calendar quarter alignment
Firm name for report attribution (default: "Daloopa") — see ../data-access.md Section 4.5

2. Comparable Financial Metrics

Calculate 8 quarters backward from the anchor latest_calendar_quarter. For each company, find and pull these metrics: