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Wednesday's Late Winners & Losers

Capstone Turbine slips on a drop in quarterly sales.

Among the suffering names in the stock market after the close Wednesday was



, which slid nearly 4% amid generally mixed late trading.

The auto-finance firm lost most of today's big run-up gains even though it made 66 cents a share in the fiscal fourth quarter to top estimates by 4 cents, per Thomson Financial. Revenue, at $625.4 million, was just shy of the average target. Shares gave back 79 cents to $20.

Capstone Turbine

(CPST) - Get Capstone Turbine Corporation Report

slumped 6.4% after the microturbine-technology developer said fiscal first-quarter revenue sank 14.5% year over year to $5.6 million. Despite also narrowing its per-share loss by 2 cents to 7 cents a share, the Chatsworth, Calif., company was off 7 cents to $1.03.

Chesapeake Energy

(CHK) - Get Chesapeake Energy Corporation Report

shed 4.1% after the oil-and-gas driller offered $500 million in contingent convertible senior bonds. Biotech

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Cell Genesys


lost 3.4% to $3.70, after booking regular-session gains on a sharply narrowed second-quarter loss -- 3 cents a share from 60 cents last year.



, a Plainsville, Ind., wireless-device distributor, said earnings before interest, taxes, depreciation and amortization fell by 16.6% vs. last year to $12.1 million. Per-share earnings nearly doubled to 35 cents and revenue was markedly higher, but shares were still losing 7.4% in a pullback from an intense regular-session run-up.

Among the postbell winners was

American Oriental Bioengineering


. Shares of the China-based biotech flew 8.7% higher after second-quarter income came to $9.7 million, or 15 cents a share, on 49% higher revenue of $33.9 million. A year ago the company made $5.8 million, or 9 cents a share.

AOB also said it signed a letter of intent to buy Guangxi Boke Pharmaceutical for some $40 million. The expected all-cash deal should close by the end of the third quarter. AOB shares were up 72 cents to $9.