These are some of the top pre-market analyst downgrades and negative calls we have seen early this Tuesday morning:

• Apogee (APOG) Cut to Sell at Piper Jaffray.
• BJ Services (BJS) Cut to Sector Perform at RBC.
• BJ’s Wholesale (BJ) Cut to Underperform at Credit Suisse.
• Halliburton (HAL) Cut to Sector Perform at RBC.
• Key Energy (KEG) Cut to Sector Perform at RBC.
• Nabors (NBR) Cut to Sector Perform at RBC.
• Omnicom (OMC) Cut to Sell at Deutsche Bank.
• Patterson-UTI (PTEN) Cut to Underperform at RBC.
• PG&E (PCG) Cut to Neutral at Credit Suisse.
• Schlumberger (SLB) Cut to Sector Perform at RBC.
• Wal-Mart (WMT) Cut to Hold from Buy at Citigroup.

JON C. OGG