Long Island companies whose stock moved significantly for the week ending Dec. 10, 2010.
$50.00 (week's change: +5.0%)
52-week return: +46.8%
Shares hit an all-time high Friday after the maker of filtration systems blew past analysts' earnings estimates. Pall said "growth was broad-based" in all its markets.
$28.03 (week's change: -9.5%)
52-week return: -16.8%
The satellite communications provider posted strong earnings, but some investors grew wary after the company said "sales to the U.S. Army are expected to decline in future quarters."
Pictured above are traders at the New York Stock Exchange this week.
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