Spark Therapeutics (NASDAQ:ONCE)
Historical Stock Chart
1 Year : From Nov 2018 to Nov 2019
By Colin Kellaher
Shares of Spark Therapeutics Inc. (ONCE) more than doubled in premarket trading Monday after the biotechnology agreed to be acquired by Swiss drugmaker Roche Holding AG (ROG.EB) for $114.50 a share.
The takeover price represents a premium of 122% to Spark's Friday closing price of $51.56 and is well above the Philadelphia company's 52-week high of $96.59 reached in July 2018.
Spark shares jumped 121% to $113.95 in premarket trading Monday.
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(END) Dow Jones Newswires
February 25, 2019 07:00 ET (12:00 GMT)
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