The cyber smearer puts out false information on the Internet about the company, leading people to sell shares, driving the price down.

Over a perfect field, the separable polynomials are precisely the square-free polynomials.

Policing the relationship between government and business in a free society is difficult.[…]Governments have to find the best people to fill important jobs: there is a limited supply of people who understand the financial system, for example. But governments must also remember that businesses are self-interested actors who will try to rig the system for their own benefit.

A heavy gewgaw called a crown.