Sep 19, at AM. Author Bio Alex began writing for the Fool in early and follows companies in the healthcare sector. Formerly a researcher in the biotech industry, he leverages his science background in his work as a writer and entrepreneur. His interests include exploring his hometown of Boston, traveling in Latin America, and value investing.

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All the world's a stage, and all the men and women merely players: they have their exits and their entrances; and one man in his time plays many parts, his acts being seven ages. William Shakespeare. Women Man Time World. Time is money. Benjamin Franklin. Time Money Time Is Money. Time is a sort of river of passing events, and strong is its current; no sooner is a thing brought to sight than it is swept by and another takes its place, and this too will be swept away.

Marcus Aurelius. Time River Will Place. Don't wait. Congo Dem. Tanzania, Dar es Salaam. Dominican Republic, Santo Domingo. El Salvador, San Salvador. Ethiopia, Addis Ababa. United Arab Emirates, Dubai, Dubai. Is it because you have read up on the company, believe in its mission, and understand its path to success? If that's the case, then you should only sell if something changes your investment thesis.

You should not sell shares because a company missed revenue projections in a quarter. It has been proven that fewer trades and longer timelines build wealth. That does not mean that if a company makes a major shift and you no longer believe in it that you can't sell, but it does mean that you should have a pretty high bar for selling.

The stock market plus time can help you reach your financial goals. If you meet the criteria above, the best day to start investing in stocks is today. Go slowly. Do your homework and make sure you're taking advice from credible sources not people on social media, who may have agendas that don't match yours.