Qarel and QP already advised you how to get you feet wet. Personally I would prefer about 25 % Cash right now. I have used 20% in the Demo Portfolio that I started on 9 September. Zie:
The ASML Stock is quite volatile and could stand model for a typical AIM Stock.
QQQ is typically not very volatile and is typically not such a good AIM stock. With The Vortex Method it is possible to compensate for the low volatility, but also I prefer more volatile stocks.
If you are not willing to invest the cash right now I would advise to set up the AIM Portfolio or an alternative AIM Portfolio anyway, as if you were investing real money. "Invest" about 10K if you have it available for investing. Go through the motions as if you had to invest your own money and be serious about it. This Dry Swimming gives you some of the feelings of real investing and also experience of having to call the shots.
With a bit of experience I would advise you to start with Mutual Fund that charges only 0,5 % Trading Fees, but to find one with good volatility might be difficult. Reliability/Robustness + Volatility in one Fund are not easy to find bit that is what you should look for.
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