The two won huge market share on the first day of trading.

Even so, the stock lost value in its first day of trading.

The stock started out at $10.75 on its first day of trading.

At that time, risk management was only available after the end of each trading day.

Indeed, it has now moved higher in seven of the last eight trading days.

That might give the stock room to increase in value on its first day of trading.

The company's stock rose 26 percent on its first day of trading.

The stock rose 18 percent on the first day of trading.

The average gain on the first day of trading is 62 percent.

That year, it fell 5.6 percent in the first five trading days.