This Week's Weakest Industries: Tires & Rubber, Chemicals, Security

This hasn't been the best of weeks for tire manufacturers like GoodYear (NYSE: GT) or Cooper Tire & Rubber Co. (NYSE: CTB). They're not alone in their plight though. Commodity chemical stocks as well as security and alarm services stocks both extended weekly losses by falling further on Wednesday.

Index/Industry                                            Today's %         WTD %

S&P 1500 Tires & Rubber Index               -4.58%          -7.28%
S&P 1500 Automobile Manufacturers     -1.72%           -0.37%
S&P 1500 Commodity Chemicals           -1.54%           -2.96%
S&P 1500 Oil & Gas Refng & Mkt             -1.06%           -4.07%
S&P 1500 Security & Alarm Srvcs             -0.90%          -4.81%

Caution is advised with any of these groups - particularly the ones that have large had runups recently that could encourage profit-taking.