At least 21 profitable biotechs and pharmas are slated to report earnings this week. Seven are anticipated to post 4Q11 EPS growth of 10% or more, including 16% growth by AstraZeneca plc (LSE:AZN; NYSE:AZN). The pharma has been boosting its EPS through share buybacks and cost cuts. In contrast, Eli Lilly and Co. (NYSE:LLY) is expected to post a 27% decline in 4Q11 EPS on a 5% drop in revenues to $5.9 billion. Lilly's schizophrenia drug Zyprexa olanzapine lost patent exclusivity in