Shares of SeaDrill (SDRL) are up 2.72% to $34.74 in pre-market trading after the company was upgraded to Outperform from Sector Perform at RBC Capital. The firm cited the company's fleet additions. Price target is raised to $222 from $150.Devon Energy (DVN) is downgraded to Hold from Buy at Argus based on valuation. Shares are up 0.41% to $86.Shares of BMC Software (BMC) are down 0.87% to $46.63 in pre-market trading after Stifel Nicolaus downgraded the company based on valuation.Shares of Akamai (AKAM) are up 1.74% to $35.57 in the pre-market session after Stifel Nicolaus upgraded the company citing valuation. Price target is $44. Shares of Motorola Mobility (MMI) are up 3.29% to $24.47 after the company was upgraded to Neutral from Reduce at Nomura. The firm cited valuation and set a price target at $22.50.