Here are some highlights from this past week's earnings coverage on BloggingStocks:

• Abercrombie & Fitch Co. (ANF) lower Q3 results still topped expectations and sent shares higher.
• Applied Materials Inc. (AMAT) posted much better-than-expected Q4 earnings, the first profit in a year.
• AstraZeneca (AZN) received an analyst's downgrade due to concerns over its earnings prospects.
• Blackstone Group (BX) received an analyst's upgrade following the company's Q3 results.
• Blockbuster Inc. (BBI) widened its net loss in Q3 and revenue and same-stores sales declined.
• Clean Energy Fuels Corp. (CLNE) shares declined after its Q3 numbers fell short of expectations.
• Consolidated Water Co. Inc. (CWCO) earnings prospects for 2010 earned it an analyst upgrade.

Analyst upgrades:

• Goldman upgraded Aeropostale (ARO) to neutral from sell. The firm, which has a $34 target on the stock, cites the recent sell-off in shares for the upgrade.
• Janney Montgomery upgraded Consolidated Water (CWCO) to buy from neutral on valuation and on expectations the company's earnings will recover in 2010. The firm has a $15 target on the stock.
• Wunderlich upgraded Transmontaigne Partners (TLP) to buy from hold on valuation as it believes the sell-off on the company's Q3 results is overdone. The firm keeps a $26.50 price target on the stock.
• Mobile TeleSystems (MBT) was upgraded to buy from neutral at UBS.
• HSBC (HBC) was raised to buy from hold at Societe Generale.
• Redwood Trust (RWT) was upgraded to outperform from market perform at JMP Securities.