Define and write down the conditions under which you'll enter a position. "Buy during uptrend" isn't specific enough. Something like this is much more specific and also testable: "Buy when price breaks above the upper trendline of a triangle pattern, where the triangle was preceded by an uptrend (at least one higher swing high and higher swing low before the triangle formed) on the two-minute chart in the first two hours of the trading day."

Investment ideas can come from many places. If you want guidance from professional research services, you can turn to companies like Standard & Poor's, ValueLine, Morningstar, and other online resources. If the thought of spending your time browsing investment websites doesn't sound appealing, just take a look at your surroundings and see what people are interested in and buying.
Investing in stocks can be done in many ways. If you would like to form a strategy and manage your own investments, you can open a brokerage account. If you're unsure about where to start, consider opening an account with a robo advisor who will do the work at a lower cost. For those who want more guidance about their retirement plans, turning to financial advisors might be a good solution.
Finally, you’re going to be looking for catalysts or roadblocks to growth for each company. This means looking in the financial news, reading analyst reports and management presentations. By this time in the process, maybe you’re only looking at four to six companies in a sector so this level of deep research won’t take more than a couple of hours.
Buy “the basket”: Can’t decide which of the companies in a particular industry will be the long-term winner? Buy ’em all! Buying a basket of stocks takes the pressure off picking “the one.” Having a stake in all the players that pass muster in your analysis means you won’t miss out if one takes off, and you can use gains from that winner to offset any losses. This strategy will also help you identify which company is “the one” so you can double down on your position if desired.