Benzinga’s Top Pre-Market Losers (AIXG, HAUP, ATPG, SOLF, CENX)

Aixtron Aktiengesellschaft

AIXG

tumbled 11.48% to $24.53 in the pre-market session. Analysts at JP Morgan Cazenove downgraded AIXG from “overweight” to “neutral.” Hauppauge Digital Inc

HAUP

lost 8.00% to $2.99 in the pre-market session. HAUP had narrowed its fiscal Q2 loss due to improved sales of its equipment. ATP Oil & Gas Corporation

ATPG

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fell 7.86% to $11.60 in the pre-market session. ATPG acquires, develops and undertakes production of oil and natural gas at properties in the Gulf of Mexico, the UK and the Dutch Sectors of the North Sea. Solarfun Power Holdings Co Ltd

SOLF

slipped 7.33% to $5.94 in pre-market trading. SOLF is set to announce its Q1 results on May 26. Century Aluminum Company

CENX

slipped 6.63% to $9.15 in the pre-market. CENX produces primary aluminum in the US, Iceland and other international regions. Read more

from Benzinga's Company news.