STOCKS TO WATCH: Autoweb.com, Global Crossing, Lycos, Oracle, RCM Technologies and Siebel Systems

The online auto dealer might get some action after announcing late Tuesday that its CEO, Dean DeBiase, will also assume the role of chairman of the board.

Frank Zamani, a co-founder, has stepped down as chairman and a director of Autoweb.com's board to pursue a new venture, the company said in a statement.

After getting off to a fantastic start in its IPO, Autoweb.com shares have fallen on hard times. The stock closed off 1/32 to 9 1/32 Tuesday.

The undersea-cable operator is expected to unveil a deal with Microsoft Corp. and Japan's Softbank Corp. to build a telecommunications network in Asia, according to people familiar with the situation cited in The Wall Street Journal.

The partnership, called Asia Global Crossing, will build a network linking Japan, China, Singapore, Hong Kong, Taiwan, South Korea, Malaysia and the Philippines with fiber-optic cables for voice, video and Internet traffic.

Global Crossing's stock has taken a beating in recent weeks as it has renegotiated the terms of its proposed acquisition of Frontier Corp.(NYSE: FRO). Shares closed down 2 1/16 to 20 5/16 Tuesday.

The Internet directory agreed to buy online stock-data provider Quote.com for $78.3 million in stock to strengthen its financial information and attract more users. Lycos fell 1 1/8 to 43 5/8 Tuesday.

Oracle shares closed at an all-time high of 43 13/16 Tuesday on optimism the world's largest database software developer will top analysts' estimates in its first quarter.

First Call consensus expects Oracle to earn 16 cents a share in the quarter. The results will be released Sept. 14.

Last quarter, Oracle beat Street estimates by 4 cents a share, earning $527 million, or 36 cents a share, on sales of $2.9 billion.

Some analysts had been concerned that Y2K spending from large corporate clients would crimp Oracle's sales and earnings this quarter.

The stock was trading at a 52-week low of 13 7/8 last September.

RCM Technologies matched analysts' estimates in its third quarter Tuesday, raking in $3.9 million, or 36 cents a share, on sales of $81.8 million.

Its shares plunged 2 13/16, or 20 percent, to 11 1/16 ahead of the earnings report.

The $81.8 million in sales represents a 57 percent improvement compared to the year-ago quarter when it made $2.6 million, or 26 cents a share, on sales of $52 million.

RCM Technologies shares hit a 52-week high of 26 7/8 in December before falling to a low of 10 5/16 in April.

All six analysts following the stock maintain either a "buy" or "strong buy" recommendation.

RCM provides engineering services for a variety of industries.

Siebel Systems said Tuesday it plans to raise $200 million through a private placement of convertible subordinated notes to qualified institutional investors in the U.S. The offering is subject to market conditions and other factors.

The net proceeds of the offering will be added to working capital and used for general corporate purposes. Siebel Systems may also use a portion of the net proceeds to fund acquisitions of complementary businesses, products or technologies. The notes will be convertible into shares of the company's common stock and will have a seven-year term.

The stock closed up 1 3/8 to 75 13/16.