Long Island companies whose stocks moved significantly during the week ending Dec. 17, 2010.
BRT Realty Trust
$7.38 (week's change: +8.2%)
52-week return: +47.6%
Battered by the recession, the commercial mortgage lender posted a loss, but shares hit a 52-week high after the company said it is seeing "a more positive lending environment."
$40.51 (week's change: -16.4%)
52-week return: +27.8%
Shares had their worst week in four months after Citigroup downgraded the manufacturer of equipment used by solar cell and LED makers on concerns of cooling demand in China.
Pictured above are traders on the floor of the New York Stock Exchange.
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