Why Shockwave Medical Stock Rallied as Much as 18% Higher This Week

Shares of Shockwave Medical (SWAV 0.94%) charged sharply higher this week, soaring as much as 18%, according to data supplied by S&P Global Market Intelligence. As of market close on Thursday, the stock was still up 15.9%.The springboard that sent the medical device specialist higher was rumors of a proposed buyout and bullish coverage from a Wall Street analyst.At the heart of the matterHealthcare giant Johnson & Johnson (JNJ 0.15%) has made overtures to acquire Shockwave Medical, according to a report tha ...