Need native English speakers with a high level of finance knowledge to write two weekly articles for my investment website. You will be writing in the following fields: stock investing, contrarian investing, impact of cycles in stock investing, market crash, China and its impacts in world economy, Forex, oil, gold and other topics like the end of the euro, etc. You will be given the title, topic, and detailed guidelines. Please send me some relevant articles of your work. Please quote your price per words or per article.