NEW YORK (TheStreet) — Minefinders (AMEX:MFN) hit a new 52-week high Wednesday as it is currently trading at $16.11, above its previous 52-week high of $15.91 with 35,696 shares traded as of 9:31 a.m. ET. Average volume has been 770,500 shares over the past 30 days.

* TSX up 34.50 points at 13,736.83

Shares of Agnico-Eagle Mines Limited (AEM) saw major gains on Tuesday. The stock traded up $3.38 or 5.31% for the day and last traded at $66.98. Approximately 3,453,136 shares changed hands during mid-day trading.

MEXICO CITY (Dow Jones)–Mexican mining and railroad company Grupo Mexico SAB (GMEXICO.MX) said Tuesday that its first-quarter net profit rose 47% as greater copper production and higher metals prices increased sales. Grupo Mexico reported net profit of $531.7 million, up from $361.9 million in the first quarter of 2010.

NEW YORK, April 19, 2011 /PRNewswire/ — OTC Markets Group Inc. (OTCQX: OTCM), the financial information and technology services company that provides the world’s largest electronic marketplace for broker-dealers to trade unlisted stocks, today announced that Aurcana Corp. (TSX.V: AUN; OTCQX: AUNFF), a company engaged in the production of copper, silver and zinc and the exploration of natural resource properties in Mexico and the U.S., is now trading on the OTC market’s highest tier, OTCQX®.

Argonaut Gold Inc. (“Argonaut” or the “Company”) (TSX:AR), announced today that the Company produced 18,005 ounces of gold during the 1st quarter (ending March 31, 2011) at its 100% owned El Castillo Mine (“El Castillo”), located 100 km north of the city of Durango, Mexico. Expansion on the East Side of the property and the current core drilling program continue as expected at the property.

Vancouver, British Columbia — Metalline Mining Company (TSX: MMZ, AMEX: MMG) (“Metalline”) is pleased to announce that we have appointed Jason Cunliffe, M.Sc. Geology to Chief Geologist at Sierra Mojada, Mexico.

April 19, 2011: Fortuna Silver Mines Inc. (TSX: FVI / Lima Stock Exchange: FVI) – Mr. Simon Ridgway, Chairman of the Board, is pleased to announce the appointment of Mr. Thomas Kelly to the Board of Directors of Fortuna.

Amato Exploration Ltd. today announced that the Company has granted to Directors and an Officer, Incentive Stock Options to acquire 250,000 common shares of the Company at an exercise price of $0.13 per share for a term of five years.

Gold Resource Corp (AMEX:GORO) said Tuesday that its CFO, Monty Jennings, has resigned to take up another opportunity.

The company said its CEO will take over as the interim CFO until a replacement is found.

Gold Resource is a low-cost gold producer with operations in the southern state of Oaxaca, Mexico.