Wayne, Pa-based, Teleflex Inc. is set to acquire Minneapolis-based Vascular Solutions Inc. in a transaction valued at about $1 billion. Teleflex's offer of $56 per Vascular Solutions share represents a premium of 1.6 percent to the stock's Thursday close. Upon news of the pending merger, shares of Teleflex (NYSE:TFX) jumped as much as 6.2 percent to $155.09, the biggest intraday percent gain since February. Shares closed at $152.64.