Even more interestingly, for relatively cheap, you can spread rumors or seed sentiments into the internet via paid shills, so for small amounts of money you can

Even more interestingly, for relatively cheap, you can spread rumors or seed sentiments into the internet via paid shills, so for small amounts of money you can sow false information and cult-like mentalities around certain stocks, and profit off those. If anything, that counts as anti-information, and makes the market less "efficient", except to those who are using the market variance as a means to extract wealth from retail investors.