Get ready for another blast of stock volatility By: CNBC.com News October 20, 2014 at 05:53 AM EDT After the most turbulent market week in years, some strategists are ready to call the all clear. But others say stocks could test the lows of the past week. Read More >> Related Stocks: Abbott Laboratories Alaska Air Group Altera Corp Apple Boeing Co Bristol-Myers Squibb CBOE Global Markets Inc Caterpillar Celgene Corp Cheesecake Fact Coca-Cola Enterprises Colgate-Palmolive Comcast Corp Delphi Automotive Plc Dow Chemical Dr. Pepper Snapple Group Dunkin' Brands Group EMC Corp Eli Lilly Gannett Co General Motors Genl Dynamics Gsk Plc ADR Halliburton Co Harley-Davidson Hasbro Hexcel Corp Illinois Tool Works Imax Corp International Business Machines Intuitive Surgical Jetblue Airways Corp Juniper Networks Kimberly-Clark Lockheed Martin McDonald's Corp Microsoft Norfolk Southern Northern Trust Northrop Grumman Occidental Petroleum Omnicom Group Procter & Gamble Raytheon Co Ryder System Sentinelone Inc Cl A Southwestern Energy Texas Instruments Under Armour Union Pacific VF Corp Varian Medical Systems Verizon Communications Vmware Inc W.R. Grace & Company Xerox Corp Yelp Inc