There is a variety of technical analysis that experts perform to come up with buy-and-sell recommendations on stocks. The majority of the technical analysis relies on historical patterns with an assumption that history repeats as long as we normalize for certain events.
Given that what we have been performing so far has also been about making decisions by considering history, let's go ahead and apply the skills we've learned so far to predict the price of a stock.
However, be extremely careful when relying on algorithmic analysis in applications such as stock-price prediction to make a buy-or-sell decision. The big difference between the other recipes and this one is that, while the decisions made in other recipes are reversible (for example: you can revoke it if a generated text does not look appropriate) or cost money...