State Bancorp
$9.58 (week's change: +7.2%) 
52-week return: +11.3%

Shares rallied after the bank holding company revealed in an Securities and Exchange Commission filing that chief executive Thomas O'Brien purchased 25,000 shares of STBC stock on the open market.

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Arrow Electronics
$24.79 (week's change: +4.6%) 
52-week return: -3.8%

Long Island's top company in terms of sales posted second-quarter revenue of $4.6 billion. The computer parts distributer also said third-quarter sales would beat analysts' estimates.

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