The sector selection is one of the most important performance drivers in a corporate bond portfolio. The overweighting and underweighting of different industries is a key element in a corporate bond strategy. The weighting of sectors in a corporate bond portfolio is the result of controlled deviations from the benchmark. They are based on the analysis of the operating environment of specific sectors, a bottom-up analysis of the respective companies and the risk-return profiles of bonds from a specific sector. It is advantageous to set up a corporate bond team by sectors because this structure allows an in-depth coverage of all sectors and the understanding of the competitive environment as well as the market positions and management strategies of single companies out of each sector. An industry consists of a group of firms which offer products that are close substitutes for each other.

Although the consumer sector did surprisingly well, the spreads of cyclical sectors widened massively between the beginning of 2000 and October 2002. Apart from external shocks such as September 11, 2001, there are two economic explanations for this observation. First, the corporate sector increased its leverage dramatically between 1997 and 2001, for the benefit of shareholders and at the cost of bondholders. The high level of leverage made companies vulnerable to economic downturns. Second, the recession that finally occurred in the United States was not typical in the sense that it was not driven by a lack of private demand, but it was rather driven by overinvestment, overcapacities in many industries and as a consequence there was a decline of business investment. The capital goods sector was directly affected by this development and credit spreads widened substantially. The automotive sector, conversely, suffered rather from speculations that the consumer might break away one day. Additionally, the incentive programs weakened profitability in the already fragile automotive sector further and funding gaps in the pension plans materialized following the burst of the equity buble.

On the other hand, noncyclical sectors like banks and utilities performed reasonably well in 2001. The steepening yield curve helped banks to increase their interest margins and thus to offset the costs associated with the declining credit quality in the customer base. The utility sector again justified its safe haven status that is based on the utility companies’ strong ability to generate cash flows.