Long Island stocks on move

Suffolk Bancorp
(SUBK)
Riverhead
$8.20 (week's change: -13.2%)
52-week return: -66.2%
Shares fell to a 13-year low after the bank holding company, hurt by bad loans and the weak local economy, received a delisting warning from Nasdaq for not filing its quarterly report on time.

Aeroflex Holding
(ARX)
Plainview
$8.21 (week's change: -21.2%)
Return since IPO: -39.2%
The maker of microelectronic test equipment hit the lowest point since its Nov. 19, 2010, IPO after warning that earnings in the current quarter will be less than analysts' estimates.

Above, traders this week on the floor of the New York Stock Exchange.