Dell, Lululemon, Zumiez, Flir Systems are big market movers Monday

NEW YORK — Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

The Gap Inc., up 50 cents at $43.65

Shares of the clothing company hit a 52-week high Monday. Analysts expect the retailer to post a rise in monthly sales later this week.

Nasdaq

Dell Inc., up 41 cents at $13.44

A top proxy advisory firm recommended that the computer maker's shareholders vote in favor of the company's founder taking it private.

A Wedbush analyst reiterated her "Outperform" rating on the teen retailer, saying that she expects that sales rose last month.

Natus Medical Inc., down $1.89 at $12.40

The maker of medical devices for newborn care said that its revenue fell late in the second quarter and will be lower than it expected.

ClickSoftware Technologies Ltd., down 85 cents at $7.56

The business software maker issued a disappointing outlook for the second-quarter and cut its revenue prediction for the full year.

A Canaccord analyst reiterated his "Buy" rating on the yoga-wear maker saying that the company's troubles may be behind it.

Luna Innovations Inc., up 53 cents at $1.83

The molecular and sensing technologies maker announced a new supply contract with robotic surgery system maker Intuitive Surgical Inc.

Flir Systems Inc., up 57 cents at $28.48