Select query in Access 2007

I have a table in Access 2007 with the following fields: TradeDate, TradeTime, TradePrice. The first two are Date/Time, and the last is a number.

I want to select, for each TradeDate, the record which has the largest TradeTime (i.e. the last trade of the day). How can I do it?
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Patrick MatthewsCommented:
SELECT t1.TradeDate, t1.TradeTime, t1.TradePrice
    (SELECT t2.TradeDate, Max(t2.TradeTime) AS MaxTime
    FROM SomeTable t2
    GROUP BY t2.TradeDate) AS z ON t1.TradeDate = z.TradeDate And t1.TradeTime = z.MaxTime
ORDER BY t1.TradeDate

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