{
    "action": "tool_call",
    "reasoning": "No query results are in evidence yet, so I can't cite the earlier numbers. I'll compute each stock's max-to-min close ratio from the raw table, excluding non-positive closes.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT company_name, MIN(close) AS min_close, MAX(close) AS max_close, ROUND(MAX(close)/MIN(close),1) AS max_min_ratio, COUNT(*) AS n_days, MIN(date) AS first_date, MAX(date) AS last_date FROM raw.semi_conductor_se WHERE close > 0 GROUP BY company_name HAVING COUNT(*) > 250 ORDER BY max_min_ratio DESC LIMIT 25",
        "purpose": "Rank companies by highest close divided by lowest close to see which had the largest price multiples",
        "source": "raw"
    }
}