Stocks to Watch: Covidien, Medtronic, are stocks to watch

MADRID (MarketWatch) — Among the companies whose shares are expected to see active trading in Monday’s session are Medtronic Inc. and Covidien PLC , as well as Layne Christensen Co.

Medtronic  announced a deal on Sunday to buy Ireland-based Covidien PLC in a $42.9 billion cash-and-stock deal.  

Layne Christensen  is projected to report…