11.   Analysts said investors were torn between a desire to bargain hunt following big sell-offs Monday and Tuesday and an inclination to sell based on the uncertain economy.

12.   In December, AstraZeneca applied for Food and Drug Administration approval to sell Iressa based on this and a similar study released in November.

13.   Japanese law, as in other industrialized nations, prohibits people from buying or selling stock based on inside company information that is not generally available to the public.

14.   Off Wall Street, a pricey firm that sells research based on forensic accounting methods, declined to comment on the report.

15.   They buy or sell based on how their soccer team does.

16.   Without a clear market direction, investors sell based on herd instinct.