这是第四季度的美股交流贴，欢迎对美股投资感兴趣的朋友们进来交流切磋！
[淘股吧]
美股投资有用的网站和信息：
1、交易所官方网站：
主页左下角有简体中文版
2、工具类网站：
.hk点财经标签，用代码搜索。很好用！
功能很多，还不错。
reuters
bloomberg
seekingalpha
marketwatch
stockcharts用这个看K线不错。
3、SECfilings
1）上市公司网站，可用GOOGLE财经找到；
2）SEC官方网站：http://www.sec.gov/edgar/searchedgar/webusers.htm
3）edgaronline。google，yahoo和reuters都有链接。
4、SECfilings文件类型：
CommonfilingtypesFormNameDescription
F-1Registrationstatementforcertainforeignprivateissuers.
FormDNoticeofanexemptofferingofsecuritiesunderRegulationD
3Initialstatementofbeneficialownership(Insidertransactions)
4Statementofchangesinbeneficialownership(Insidertransactions)
5Annualstatementofchangesinbeneficialownership(Insidertransactions)
S-1Generalformofregistrationstatement.
POSAMPost-effectiveamendmentstoprovideupdatedprospectusinformation.
13DNotificationofaholdingof5%ormoreofanyclassofacompany"ssharesbyasingleinvestororgroupworkingtogether
144Reportofproposedsaleofsecurities.
20-FRegistrationofsecuritiesofforeignprivateissuerspursuanttosection12(b)or(g).
ARSAnnualReporttoSecurityHolders.
6-KReportofforeignissuerpursuanttoRules13a-16and15d-16.
10-QQuarterlyreportfiledpursuanttosections13or15(d).
10-KAnnualreportpursuanttosection13and15(d).
8-KInterimreportwhichannouncesanymaterialeventsorcorporatechangesthatoccurbetween10-Qquarterlyreports.
11-KAnannualreportofemployeestockpurchase,savingsandsimilarplans.
DEF14-AProxyStatement.Notificationofshareholdervotes,informationabouttheBoardofDirectors,Boardcompensation,andExecutivecompensation.
最重要的几个是10K，8K，10Q和权益披露的文件。
