The conspiracy theory I heard is that MS is playing a long game to go private. Whenever their stock starts to go up; they pump a lot into R&D which makes them

The conspiracy theory I heard is that MS is playing a long game to go private. Whenever their stock starts to go up; they pump a lot into R&D which makes them less attractive to investors stabilizing or lowering their stock price while not devaluing the company. I don't know enough about stock manipulating to evaluate these statements, but I found them interesting when first told to me.