Telestone Technologies ( TSTC) soared nearly 19% on impressive fourth-quarter results. The China-based wireless-communications company earned $1.6 million, or 19 cents a share, compared with year-ago profits of $1.4 million, or 17 cents a share. Revenue rose to $7.4 million from $5.5 million last year. Shares were gaining $1.45 to $9.14.

Apparel chain store Stein Mart ( SMRT) said it earned $21.1 million, or 48 cents a share, for the quarter ended Feb. 3. This is flat year over year, even with an extra week that added on another 4 cents a share; but analysts polled by Thomson Financial were only looking for 41 cents a share.

Looking ahead, the Jacksonville, Fla., company expects next-quarter same-store sales to sustain a mid-single-digit increase, which would result in earnings of between 21 cents and 23 cents -- in line with two analysts' estimates. Shares were up $1.12, or 7.9%, to $15.24.

WSI Industries ( WSCI) jumped after the Monticello, Minn., outfit doubled its per-share earnings for the quarter ended Feb. 25. The company, which sells metal components and services to aerospace and other industries, said it earned $155,000, or 6 cents a share, on sales that climbed 24% from last year to $4.4 million. Shares were rising 50 cents, or 14.8%, to $3.88.

Golden Star Resources ( GSS) got a lift after announcing it had begun mining a gold project in Ghana with a previously announced 219,500-ounce mineral reserve. Shares of the Littleton, Colo., company were climbing 22 cents, or 5.6%, to $4.16.

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