Shares of CDW Corp (CDW) plummeted 5.03% in pre-market trading on Tuesday, despite the company reporting better-than-expected third-quarter earnings. The sharp decline suggests investors may be focusing on other aspects of the company's financial performance beyond the headline numbers.

CDW, a leading multi-brand technology solutions provider, announced quarterly earnings of $2.71 per share, surpassing the analyst consensus estimate of $2.62 by 3.4%. This represents a 3.04% increase from the $2.63 per share reported in the same period last year. However, the company's quarterly sales of $5.737 billion narrowly missed the analyst consensus estimate of $5.747 billion by 0.18%, although it still marked a 3.99% increase from the $5.517 billion reported in the previous year.

The significant stock drop following the earnings release may be attributed to several factors. While CDW beat earnings expectations, the slight revenue miss could be causing concern among investors about the company's growth trajectory. Additionally, the market may be reacting to undisclosed elements of the report, such as future guidance or comments on the broader IT spending environment, which could be less optimistic than anticipated. The initial 1.1% decline in CDW shares immediately after the results were announced has now deepened, suggesting that investors may be reassessing the company's near-term prospects in light of the full earnings report.