Blackrock and Vanguard own the largest amount of shares in all the companies in the world including pharmaceutical companies. People in power can manipulate the stock market(s) easily by buying and selling whatever the company's share they want.
More info about Blackrock and Vanguard: https://www.bitchute.com/video/AAOWebCroAOO/
Even ex-girlfriend of Boris Johnson mentions Blackrock and how they use it to manipulate the market to their advantage: https://www.bitchute.com/video/qYeJLPwgO73O/