Even if true, this will largely not affect a business like this. They make small money on each company and scale through the shear number of total companies that pay a few thousand dollars a month to use this service. People are not going to stop going on call because their revenue dropped 20%...

The market is still hot. You don't want to go IPO at say $50 and no trades. When the market crash everything will crash along with it. Some investors are probably very eager to cash out now than later.