Argentine Stocks: MetroGAS, Petrobras Argentina, Siderar SAIC

June 6 (Bloomberg) -- The following companies had unusual price changes in Argentine trading. Stock symbols are in parentheses and share prices are as of 5 p.m. New York time.

The Merval Index fell 1.4 percent to 3,122.08.

MetroGAS SA (METR AR), Argentina’s largest natural gas distributor, surged 10 percent, its largest one-day gain since November, to 1.1 pesos as YPF SA said on June 3 that it agreed to buy BG Group’s 54.6 percent stake in Metrogas’ parent company Gas Argentino SA for $33 million. Shares have gained 17 percent since June 2.

Petrobras Argentina SA (PESA AF), the local unit of Brazil’s state-controlled oil company Petroleo Brasileiro SA, dropped 2.8 percent to 8.63 pesos, as oil fell in New York on speculation that global demand is weakening. Crude for July delivery tumbled $1.43, or 1.4 percent, to $98.79 a barrel on the New York Mercantile Exchange, the lowest settlement since May 23.

Siderar SAIC (ERAR AF) slipped 2.8 percent to 27.40 pesos. Argentina’s largest steel producer slid to the lowest level since October amid concern that global growth is slowing after U.S. economic data released last week trailed estimates.

To contact the reporter on this story: Leon Lazaroff in New York at llazaroff@bloomberg.net

To contact the editor responsible for this story: David Papadopoulos at papadopoulos@bloomberg.net