JPMorgan U.S. Chief Equity Strategist Thomas Lee to Depart

Thomas Lee, the JPMorgan Chase & Co. chief equity strategist who has called for gains in American stocks for six straight years and got them in four, is leaving the firm.

Lee, 44, is stepping down tomorrow after holding the job since 2007, Brian Marchiony, a spokesman for the New York-based firm, said in a telephone interview. Lee wants to take time away from work, according to a memo sent to employees.