UPDATE 2-Medical device maker Stryker to buy K2M Group for about $1.4 bln By: Reuters: Company News August 30, 2018 at 11:18 AM EDT * Stryker's shares down 1 pct (Adds analysts comments; updates share prices) Read More >> Related Stocks: Johnson & Johnson K2M Group Hldngs Stryker Corp Zimmer Holdings