Shares of prefabricated homebuilder Champion Enterprises ( CHB) were soaring Monday after the company named ex- Kmart CFO Albert Koch its interim president and CEO. Recently, shares were up 76 cents, or 18%, at $4.94 on the New York Stock Exchange. Koch, who will also be chairman, succeeds Walter R. Young, who is leaving after 13 years of leading the Auburn Hills, Mich.-based company, Champion said in a statement. Koch's main goal will be to lead a review of Champion's operations and speed up the company's return to profitability, the company said. Champion has reported losses in six consecutive quarters. Most recently, the company had a loss of 52 cents a share in its first quarter 2003. Analysts expect the company to lose 2 cents a share in the second quarter, compared with a loss of 20 cents a share in the same quarter last year. Additionally, Koch will help the Champion board find a permanent president and chief executive. After a new president and CEO is found, Koch is expected to become nonexecutive chairman. Prior to working for Kmart, Koch was interim CFO of Oxford Health Plans ( OHP).