10 Stocks Moving In Tuesday's Pre-Market Session

shares rose 71.71 percent to $30.10 in pre-market trading as

announced plans to acquire Celator Pharmaceuticals for $30.25 per share in cash.

rose 19.75 percent to $169.77 in pre-market trading as the company reported that the FDA has granted accelerated approval to Ocaliva for the treatment of patients with PBC.

rose 8.90 percent to $57.64 in pre-market trading as

agreed to buy Westar Energy for $8.6 billion in a cash and stock transaction.

shares rose 6.52 percent to $7.52 in pre-market trading as the company reported that the European Commission has approved Galafold (migalastat) in patients with Fabry disease.

shares rose 6.14 percent to $6.40 in pre-market trading as the company agreed to be taken private by its parent company for $6.70 per ADS.

shares rose 4.87 percent to $20.47 in the pre-market trading session as the company reported the release of its new home beer system.

shares rose 4.39 percent to $12.85 in pre-market trading. Baird upgraded Micron from Neutral to Outperform..

shares rose 3.82 percent to $18.75 in pre-market trading after gaining 8.80 percent on Friday.

shares 1.83 percent to $31.61 in pre-market trading. RBC Capital downgraded Marketo from Outperform to Sector Perform

shares fell 0.65 percent to $99.70 in pre-market trading. Apple shares have dropped 23.13 percent over the past 52 weeks, while the S&P 500 index has declined 0.60 percent in the same period.