Updated from 11:56 a.m. EDT

Earnings Reports & Outlooks

Dollar Thrifty Automotive Group

( DTG) expects to "significantly exceed" the consensus earnings estimate of 19 cents a share for the first quarter ended March 31. The company earned 38 cents in the same quarter a year ago. The stock was up 6.9% to $22.28.

Kenneth Cole

(KCP)

was a big winner for a second day Tuesday, trading up 7.7% to $26.16. The move comes a day after the fashion designer raised its guidance. The company expects earnings of 26 cents a share in the first quarter, compared with previous expectation of 16 cents to 18 cents a share, and a consensus estimate of 16 cents.

Kronos

( KRON), a maker of software and systems that collect and measure worker productivity, expects second-quarter earnings of 26 cents to 27 cents a share on revenue of $79 million to $80 million. Analysts expect earnings of 29 cents. The stock was dropping almost 20% to $37.25.

Mail-Well

(MWL)

expects first quarter earnings, before restructuring charges, to come in below expectations, largely as a result of lower-than-anticipated revenue and margins. Mail-Well is now expecting a profit of 2 cents to 4 cents a share, excluding items. First Call has an estimate from only one analyst, of 6 cents a share. The shares were down 7.5% to $6.29.

Sharper Image

( SHRP) said March same-store sales increased 18%, while total sales for the month increased 30% to $30 million. Depending on April's sales, the company now expects to report a loss of 4 cents to 8 cents a share for the first quarter. Analysts expect the company to lose 17 cents, compared with a loss of 23 cents in the year-ago quarter. The stock was gaining 9.6% to $19.68.

Analyst Actions

Eastman Kodak

( EK) was gaining almost 6% to $32.89 after Salomon Smith Barney raised its rating on the stock to outperform from neutral.

Vodafone

(VOD) - Get Report

was down 6.4% to $17.20 after ABN Amro lowered its "theoretical fair value" target on the company's stock, according to a

Reuters

report from London. ABN also cut its revenue and earnings forecast on the mobile phone company, but maintained its add rating and its published price target.

Offerings

Swift Energy

(SFY) - Get Report

was dropping 7.2% to $18.06 after setting plans to offer 1.5 million common shares at $18.25 each. The shares will be sold through the company's previously filed shelf registration statement.

Miscellaneous News

Ariad Pharmaceuticals

(ARIA)

said studies on its orally active drug candidate for cancer, currently known as AP23573, showed the treatment has the ability to shrink tumors. The study involved animal subjects, not humans. The stock was gaining 26% to $6.09.

Prime Group Realty Trust

( PGE) was up 7.1% to $6.83 a day after saying Chairman Michael W. Reschke and Chief Executive Richard S. Curto resigned. Both men will continue to serve on Prime Group's board of trustees. The company named Stephen J. Nardi acting chairman. Louis G. Conforti and Jeffrey A. Patterson, the company's co-presidents, will continue in their current roles.Prime Group plans to name a new CEO in the near future. In late March, after the company reported its quarterly financial results, Prime Group's auditor expressed doubts about the real estate investment trust's ability to continue as a going concern if certain funding goals weren't met.