Powell Industries ( POWL) jumped 10% Wednesday after the power-equipment maker posted a second-quarter profit. The Houston-based company reported earnings of $4.1 million, or 37 cents a share, compared with a loss of $295,000, or 3 cents a share, a year ago. Revenue totaled $98.4 million up from $58.9 million a year ago. The company said it expects fiscal 2006 third-quarter earnings to range between 30 cents and 35 cents a share and full-year 2006 earnings to range between 90 cents and $1 a share. The company expects fiscal 2006 revenue to range between $325 million and $350 million. Shares closed Wednesday up $1.32, or 6%, at $23.59. Spartech ( SEH) shares slipped Wednesday after the plastics and compound materials maker was downgraded by Deutsche Securities to hold from buy. Shares dropped $1.73, or 7.3%, to close at $21.85. FSI International ( FSII) gained after the semiconductor-equipment manufacturer said "a world-leading U.S. IC manufacturer" placed a multi-unit order for FSI's Magellan Immersion Cleaning System. The tools will be used in manufacturing and are expected to ship during the first half of FSI's fiscal 2007. Shares gained 23 cents, or 4.8%, to close at $5.01. DSW ( DSW) gained after the footwear retailer beat Wall Street's first-quarter earnings expectations and raised its full-year guidance. The company earned $17.5 million, or 40 cents a share, up from $7 million, or 25 cents a share, a year ago. Sales increased 12% to $316.5 million. Analysts polled by Thomson First Call were expecting earnings of 35 cents on sales of $319.1 million. Comparable-store sales increased 4.2% from a year ago. The company raised its current estimate for fiscal 2006 earnings to a range of $1.24 to $1.27 a share, up from its previous estimate of $1.22 to $1.25. Comparable-store sales are projected to increase 3%-5%. Wall Street is looking for earnings of $1.24 a share. DSW climbed $2.59, or 8.9%, to close at $31.74.