The Rio Colorado potash mine development project of Brazilian miner, Vale S.A. (VALE - Analyst Report), has been suspended by the government of the Argentine province of Mendoza.

Canada’s biggest energy firm and the largest oil sands outfit Suncor Energy Inc. (SU - Analyst Report) has been a Zacks #1 Rank (Strong Buy) stock since May 17, 2011. The independent energy exploration and production company has seen its estimates move up following its robust first quarter results in early May. Suncor’s attractive fundamentals, positive outlook, and the recent optimism about economic recovery have inspired this bullishness.