Officials at SIX, the Swiss stock exchange where Synthes shares trade, have begun looking into a spike in the company’s shares before it disclosed talks to be taken over by U.S. health-care company Johnson & Johnson, according to people familiar with the situation. If the probe turns up evidence of insider trading, stock-market officials could refer the case for further investigation to Zurich’s prosecutor.
Read more: Swiss Probe Trading Activity — WSJ.com
