U.S. HOT STOCK FUTURES: HOT STOCKS TO WATCH

Among the companies with shares expected to actively trade in Monday's session are Titanium Metals Corp. (TIE), Myrexis Inc. (MYRX) and Celgene Corp. (CELG).

Precision Castparts Corp. (PCP) has agreed to acquire Titanium Metals for about $2.9 billion, a deal that expands the cast-metal parts manufacturer's titanium capabilities. Precision will buy Titanium Metals, or Timet, for $16.50 a share in cash, a 43% premium to the metal products company's Friday closing price. Timet shares surged 42% to $16.47 after hours.

Biopharmaceutical company Myrexis said its board has approved a plan of complete liquidation and dissolution, a move that comes after the company suspended all of its clinical programs earlier this year. Shares soared 23% to $2.87 after hours as the company said it plans to distribute all available cash to shareholders.

Celgene said a late-stage study of its drug Abraxane significantly improved the lifespans of patients with pancreatic cancer, one of the deadliest and hardest-to-treat diseases. The combination therapy showed a statistically significant improvement in overall survival, meeting the study's primary endpoint, the company said, although it didn't report the specific number. Shares jumped 5.7% to $75.57 after hours.

Exide Technologies (XIDE) reported its fiscal second-quarter loss widened as currency-related costs and lead-related pricing hurt revenue. Results missed analyst expectations, sending shares down 6.1% to $2.96 after hours.

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Lockheed Martin Corp. (LMT) on Friday said its incoming chief executive had resigned after it was revealed he had a relationship with a subordinate that broke its internal code of conduct, appointing Marillyn Hewson to take over the position in January.

Standard & Poor's Ratings Services has downgraded its credit ratings on Western Union Co. (WU) by one notch, on expectations of sliding profits for the world's largest provider of remittances over the next year.

Write to Nathalie Tadena at [e-mail]

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