The following U.S. companies reported negative earnings surprises today. This list ranks percent surprises of actual earnings to earnings estimates.

Earnings estimates provided by Bloomberg.

TICKER                                             EST
SYM     COMPANY               Q12    Q11   % CHG    Q12  % CHG   Q/E
========================================================================
ELRC    ELECTRO RENT CO      0.21   0.21     0.0   0.27   -22.2   Feb
CMVT    COMVERSE TECH        0.14     na      na   0.17   -17.6   Jan
ISCA    INTL SPEEDWAY-A      0.37   0.49   -24.5   0.39    -5.1   Feb

* - Company in Standard & Poor’s 500 Index

To contact the reporter on this story: Wendy Soong in New York at at csoong@Bloomberg.net.

To contact the editor responsible for this story: Alex Tanzi at at atanzi@Bloomberg.net