FEI ( FEIC) stock jumped in after-hours trading Tuesday as the company, which makes equipment for nanotechnology development, posted impressive fourth-quarter financials. The Oregon-based outfit said profits from continuing operations totaled $11.9 million, or 30 cents a share, up sharply from $6.9 million, or 18 cents a share, a year ago. Sales ratcheted up 41% from a year ago to $140.3 million. Shares were gaining $2.85, or 11.3%, to $28.16.

Aspen Technology ( AZPN) shares were climbing after the Cambridge, Mass., company said sales for the second fiscal quarter jumped 26% to $96.4 million from a year ago. The business-software firm hasn't yet provided per-share earnings figures, but GAAP-based income rose to $25.8 million from last year's $8.7 million. Shares were trading up $1.11, or 10.8%, to $11.40.

Brooks Automation ( BRKS) saw dramatically higher income for the quarter ended Dec. 31 that squared with Wall Street expectations. Excluding items (save for stock-option expenses), the Chelmsford, Mass., company earned $26 million, or 35 cents a share, compared with break-even a share last year by the same measure. Sales vaulted 76.4% to $191.4 million from a year ago, beating estimates by about $4 million.

Looking ahead, the semiconductor company expects GAAP income to range between 25 cents and 30 cents a share on a top line of between $185 million and $190 million. Analysts are looking for revenue of $180.5 million. Shares were rising 94 cents, or 6.6%, to $15.15.

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