longbridge-constituent List the constituent stocks of an index or ETF, ranked by a chosen indicator. Response language : match the user's input language — Simplified Chinese / Traditional Chinese / English. When to use Trigger when the user wants the members of an index or ETF (not the index quote itself): - "标普 500 有哪些股票" , "S&P 500 constituents" → - "恒生指数成分股" , "Hang Seng constituents" → - "纳斯达克 100 涨幅榜" , "IXIC components by gain" → - "沪深 300 成分股" , "CSI 300 members" → - "QQQ 持仓" , "SPY holdings" → ETF symbol like , For the index quote (level, change, volume), use instead. For 2–5 explicit…