Yahoo! Rally Fails to Hold

The company also took the unusual step of assuring that Semel's resignation was not driven by new financial developments at the company, and backed the financial estimates it has provided for its upcoming second-quarter earnings announcement in July.

Yahoo! also said the progress of its highly anticipated Panama ad-ranking platform was on track, much as it had told investors just last week.

But none of this is new. The more things change at Yahoo!, the more they stay the same.