Just be careful not to get too greedy, as even the most stable stocks can suffer a drastic drop from time to time. Since the goal of most users appears to be making a series of short-term trades in rapid succession to make the most money possible, after an acceptable ROI is achieved the stock should be sold so investment capital is freed for further short-term investments that hopefully should yield an even better ROI with the additional investment capital from the profits of the past trade. Buy stocks when the current price is near the recorded low and sell them when near the recorded high. You’ll have no choice but to complete the first of Lester’s missions — The Hotel Assassination — in order to progress the rest of the story, but after that you should not complete any others until you’ve finished the main campaign and saved up a massive wedge of cash we won’t spoil how much it is but If the graph for your stock appears linear between increases, pl...