Benzinga’s Top Pre-Market Losers (ABK, CKR, RHT, BRCD)

Ambac Financial Group, Inc. (NYSE: ABK) decreased 17.10% to $0.660 in the pre-market session. The Wisconsin Office of the Commissioner of Insurance (OCI) today filed a petition to take control of and to rehabilitate the Segregated Account of Ambac Assurance Corporation (Segregated Account). The Segregated Account was established in order to segregate certain liabilities of Ambac Assurance Corporation (AAC). The 52-week trading range for ABK is $0.55 - $2.09. Ambac Financial has declined over 54% in the last six months.

CKE Restaurants, Inc. (NYSE: CKR) fell 1.78% to $11.05 in the pre-market session. CKE Restaurants reported yesterday a fourth-quarter net income of $15.4 million, or $0.28 per share, from $2.6 million, or $0.05 per share, in the same period last year. CKE Restaurants closed at $11.25 in the last trading session. CKR has gained over 5% in the last six months.

Red Hat, Inc. (NYSE: RHT) declined 1.95% to $30.10 in the pre-market session. Red Hat announced that for fiscal 2011, it expects revenue to be in the range of $835 million - $850 million and non-GAAP earnings per share to be in the range of $0.71 - $0.74. The 52-week trading range for RHT is $14.43 - $31.76. RHT has surged over 105% in the last year.

Brocade Communications Systems, Inc. (NASDAQ: BRCD) fell 3.09% to $5.65 in the pre-market session. BRCD closed at $5.83 in the last trading session. In the last six months, BRCD has declined over 26%. The 52-week trading range for BRCD is $3.06 - $9.84.