NEW YORK (

TheStreet

) --

TD Ameritrade

(AMTD) - Get Report

said shares of

General Motors

(GM) - Get Report

was the top traded stock for the online broker on Thursday.

GM shares

, which debuted on the

New York Stock Exchange

on Thursday after pricing its initial public offering a day earlier at the very high end of its range, accounted for 7.5% of the online broker's total trades for the day, according to an email from a TD Ameritrade spokesman.

The spokesman wouldn't elaborate on how the GM shares compared to other high volume stocks, such as

Citigroup

(C) - Get Report

, but did say the percentage was number one and "a good size," for the day.

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10 Biggest U.S. IPOs

GM shares, priced at $33 a share, rose as much as 9% from its offering price on Thursday. The stock opened at $35 a share, but ultimately closed at $34.19.

-- Written by Laurie Kulikowski in New York.

To contact the writer of this article, click here:

Laurie Kulikowski

.

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Disclosure: TheStreet's editorial policy prohibits staff editors, reporters and analysts from holding positions in any individual stocks.