With more firms, the stock pie is bigger, and can absorb more people taking a slice. With many more places to put one's money, people no longer chase the few "hot tips" like a swarm of bees. In the past, once a tipped stock started up, investors plunged in, sending it skyrocketing.
家數倍增，表示股市大餅擴大，可以容納各方分食，而投資大眾選擇的目標增多後，也不必一窩蜂去追逐幾支「明牌」了。