CMC Financial Group reduced its position in Sociedad Química y Minera de Chile S.A. by 1.4% during the 3rd quarter, according to its most recent filing with the Securities and Exchange Commission (SEC). The institutional investor owned 44,297 shares of the basic materials company’s stock after selling 626 shares. Sociedad Química y Minera de Chile makes up approximately 1.4% of CMC Financial Group’s holdings, making the stock its 6th largest holding.

Banco Santander-Chile (BSAC) was upgraded by ValuEngine from a “sell” rating to a “hold” rating in a research note. BSAC has been the subject of a number of other research reports. TheStreet cut shares of Banco Santander-Chile from a “c” rating to a “d+” rating in a research note on July 31st. JPMorgan Chase & Co. upgraded shares of Banco Santander-Chile from a “neutral” rating to an “overweight” rating in a research report on October 15th. Finally, Zacks Investment Research cut Banco Santander-Chile from a “buy” rating to a “hold” rating in a research note on November 2nd.

GeoPark was downgraded by Zacks Investment Research from a “hold” rating to a “sell” rating in a research note issued on Saturday. GeoPark is an explorer, operator and consolidator of oil and gas. The company operates primarily in Chile, Colombia, Brazil and Argentina.

Los Andes Copper has confirmed that it will use high-pressure grinding rolls (HPGR) circuit technology in the processing circuit at its Vizcachitas copper project. Owned by Los Andes Copper, Vizcachitas is a copper-molybdenum porphyry deposit in central Chile that is currently at the pre-feasibility study (PFS) stage. According to the exploration firm, use of HPGR technology at the deposit strengthens the company’s commitment towards a sustainable operation with reduced consumption of water and energy.