What is 401K

If you could please take the time to help out your fellow SDNer: 1. Explain to me like I'm five what the heck is a 401K. 2. How much should I invest in a 401K 3. How much do I need to invest in order for me to "break even" when it comes to filing taxes 4. If the stock market is not doing well will my 401K be affected? 5. What is a IRA roth and am I allowed to open one? I been researching the internet but all signs seems to point to YES YOU SHOULD INVEST IMMEDIATELY!!!!! But to... What is 401K
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums