Bất thường đối với một cơn bão, hầu hết các thiệt hại đã được thực hiện bởi gió lớn và lũ lụt gây ra lũ quét hoặc bão. NHC liệt kê bốn yếu tố nguy hiểm nhất của một cơn bão theo thứ tự này: 1. Lũ quét nội địa 2. Cơn bão tăng 3. Cao gió 4. Lốc xoáy | 114 NATURAL DISASTERS FIGURE Philadelphia Oil Services Index Source Used with permission from Bloomberg . FIGURE Halliburton Company Source Used with permission from Bloomberg . Hurricanes 115 FIGURE Baker Hughes Inc. Source Used with permission from Bloomberg . FIGURE Transocean Inc. Source Used with permission from Bloomberg . 116 NATURAL DISASTERS FIGURE Bloomberg . Homebuilders Index Source Used with permission from Bloomberg . experiencing a nice pop in the stock price due to the rise in the price of oil. During Katrina the stock prices all fell and then rebounded sharply in the interval prior to Rita. Then all three put in new highs for the year as Rita rocked Texas and Louisiana. All three dropped sharply to their levels prior to Katrina or lower. This was synchronized stock swimming at its best. Let s take a closer look at industry-specific indexes and how they reacted to the storms. The Bloomberg . Homebuilders index BUSHBLD is a capitalization-weighted index of the leading home builders in the United States. Looking at Figure you can see this index was near the lows of the year in late July. It started a rally in August and took off with the landfall of Charley. It continued to rally strongly into Ivan. Then it backed away to pre-Charley levels. This is somewhat consistent with trading patterns in other indexes and commodities. Then it exploded to the upside and finished 2004 at the highest levels of the year as low interest rates and destruction from the hurricanes dramatically increased demand. The final sector we ll look at is insurance by using our CINS index Figure along with graphs for Allstate Corporation ALL Figure Safeco Corporation SAF Figure and Swiss Reinsurance RUKN Figure . The graphs show that between August and October they all either declined or went sideways. Safeco and Allstate were hit the worst in .
