Monday's Late Winners & Losers - TheStreet

A mix of news across various sectors sent stocks mainly lower after hours on Monday, and among those losing ground was

Lear

(LEA) - Get Report

, which was down 1.9% at $36.78.

Shareholders of the auto-parts maker

rejected a buyout offer from

American Real Estate Partners

(ACP) - Get Report

, an affiliate of investor Carl Icahn.

Salesforce.com

(CRM) - Get Report

took an after-hours hit Monday after the disclosure that its chief accounting officer, William Dewes, is resigning. The resignation, which is effective July 18, is "for personal reasons and does not involve any controversy or disagreement with the company regarding the company's financial reporting or accounting policies, practices or principles," Salesforce said in a regulatory filing. Salesforce.com was 4.4% lower at $42.20.

Health Care REIT

(HCN)

slumped 3.5% on news the real estate company will offer $350 million in notes, which will be convertible into a combination of cash and common stock. Proceeds from the offering will be used to buy more properties. Shares were $1.40 lower at $39.

Nautilus

(NLS) - Get Report

slumped after the fitness company reported second-quarter earnings of $1.1 million, or 4 cents a share, compared with $1.7 million, or 5 cents a share, in the second quarter of 2006. Net sales were $117.1 million, down from $137.6 million last year. Nautilus said it expects earnings of 20 cents to 30 cents a share on net sales of $350 million to $380 million in the second half of 2007. Shares were down 13.8% at $10.29 in recent after-hours trading.

On the winning side, however, was

Rohm & Haas

( ROH), which surged in after-hours trading after the basic materials company approved a $2 billion share-buyback plan that will be implemented in two $1 billion stages. Shares were trading up 4% at $57.43.