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NEW YORK (Stockpickr) -- Professional traders don't just look at a stock's price moves; they also look for big changes in volume.

Major moves in volume can signal unusual activity, such as

insider buying



-- or buying or selling by "superinvestors."

Let's take a look at

seven stocks rising on unusual volume today

. They are all recording volume changes of 100% or more from their average trading volume.

>>5 Stocks to Trade for End-of-Month Gains

Sequans Communications

Sequans Communications

(SQNS) - Get Sequans Communications S.A. American Depositary Shares Report

designs, develops, and supplies 4G semiconductor solutions for wireless broadband applications. The stock is trading up 1 cents, or 14.3%, at $6.46 in recent trading.

Volume: 1.8 million

Average Volume: 769,600

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Volume % Change: 131.7%

Ivanhoe Mines

Ivanhoe Mines

( IVN) is an international mineral exploration and development company. The Company's main mineral resource property is the Oyu Tolgoi Project, located in Mongolia. The stocks is trading up $3.37, or 23.2%, at $17.92 in recent trading.

Volume: 5.1 million

Average Volume: 2.03 million

Volume % Change: 153.4%

Ivanhoe, one of the

top holdings at John Griffin's Blue Ridge Capital

, shows up on a recent list of

7 Mining Stocks to Watch


Harleysville Group

Harleysville Group

( HGIC) is an insurance holding company, which through its subsidiaries, engages in the property and casualty insurance business on a regional basis. The stock is trading up 3 cents at $31.91 in recent trading.

Volume: 161,232

Average Volume: 54,000

Volume % Change: 198.6%

Harleysville is one of the

highest-yielding insurance stocks

and one of TheStreet Ratings'

top-rated insurance stocks


Philippine Long Distance Telephone

Philippine Long Distance Telephone

(PHI) - Get PLDT Inc. Sponsored ADR Report

, through its main business segments - wireless, fixed line, and information and communications technology offers the most diversified range of telecommunications services across the Philippines. The stock was trading up $1.32, or 2.7%, at $49.70 in recent trading.

Volume: 325,794

Average Volume: 106,500

Volume % Change: 205.9%

PHI is one of TheStreet Ratings'

top-rated wireless stocks


Volume: 168,664



(FNV) - Get Franco-Nevada Corporation Report

is a gold-focussed royalty company with additional interests in platinum metals, oil and gas and other assets. The company has a diversified portfolio of royalty properties in the United States, Canada and Australia. The stock was trading up $1.16, or 3.1%, at $38.75 in recent trading.

Average Volume: 55,800

Volume % Change: 202.3%

Grupo Aeroportuario del Pacifico

Grupo Aeroportuario del Pacifico

(PAC) - Get Grupo Aeroportuario Del Pacifico S.A. B. de C.V. de C.V. (each representing 10 Series B shares) Report

is engaged in the operation, management and development of airport facilities in the Pacific and central regions of Mexico. The stock was trading up 46 cents, or 1.3%, at $35.21 in recent trading.

Volume: 377,000

Average Volume: 99,500

Volume % Change: 278.9%.

As of the most recently reported period, PAC was one of the

top holdings of Eric Mindich's Eton Park Capital

, comprising 1.2% of the total.

Mela Sciences

Mela Sciences


is a medical device company focused on the design and development of a non-invasive, point-of-care instrument to assist in the early diagnosis of melanoma. The stock was trading up 26 cents, or 5.3%, at $51.9 in recent trading.

Volume: 1.8 million

Average Volume: 508,700

Volume % Change: 259.4%

Mela was featured recently in "

5 Stocks Poised for Breakouts


-- Written by Stockpickr Staff in New York.


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