• Mirant Corp (NYSE:MIR) agreed to a merger with rival RRI Energy (NYSE:RRI) in an all-stock deal valued at $3.1 billion
• UBS (NYSE:UBS), ahead of a likely contentious Wednesday shareholders meeting, preannounced estimated pretax profits of at least $2.36 billion for the first quarter
• Halliburton (NYSE:HAL) announced plans to acquire Boots & Coots (NYSE:WEL) for $3.00 per share
• Baird upgraded Caterpillar (NYSE:CAT) from “neutral” to “outperform” and lifted the price target from $60 to $88
• Credit Suisse (NYSE:CS) upgraded Texas Instruments (NYSE:TXN) from “neutral” to “outperform,” and boosted the price target from $24 to $32
• Deutsche Bank (NYSE:DB) downgraded Freeport-McMoRan (NYSE:FCX) from “buy” to “hold,” dropping the price from $110 to $95
• According to reports Palm (NASDAQ:PALM) is planning to sell itself and is looking for bids as soon as this week
• Fitch Ratings Service raised its ratings outlook for Transocean Inc (NYSE:RIG) from “stable” to “positive” as a result of the firm’s efforts to lower debt levels
