Depends on which index you refer as 大盘. For DJI, it's price weight, so IBM is the big guy. For SPX, it's market-cap weight, so XOM is the big guy. For NDX(or COMPQ), It's mixed, AAPL is the big guy(weight > 20% in NDX)
【在 w*******o 的大作中提到】 : Depends on which index you refer as 大盘. : For DJI, it's price weight, so IBM is the big guy. : For SPX, it's market-cap weight, so XOM is the big guy. : For NDX(or COMPQ), It's mixed, AAPL is the big guy(weight > 20% in NDX)