Since the opening on Monday night, receipts have risen to about $50,000 a day.
Its American depository receipts rose 17 percent in the quarter.
Today, the company's American depository receipts rose $1.875, to $67.3125.
Under a percentage tax, receipts would rise with prices.
In the last two weeks, both companies' American depository receipts have risen sharply.
The company's American depository receipts rose 35 cents yesterday, to $38.50.
In contrast, the total number of non-minority firms increased by 9% between 2002 and 2007and their receipts rose 21%.
Scania's American depository receipts rose $7.1875 or 24 percent, to $37.50.
The American depository receipts rose 2.1 percent, to $12.96.
Though the company's preferred American depository receipts rose 65 cents yesterday, to $34.47, they are far off a 52-week high of $57.19.
