The dot-com era's accounting fraud wasn't one-sided. Professional investors and Wall Street created a symbiotic relationship with executives by demanding impossibly smooth, predictable quarterly earnings. This intense pressure incentivized widespread financial engineering and manipulation to meet unrealistic expectations.

The 'bezel' is the inventory of hidden, fraudulent wealth that builds up during good economic times. Investor overconfidence, plentiful capital, and lax due diligence create the perfect environment for financial scams to flourish, with this phantom wealth only being discovered during a downturn.

Enron convinced regulators to let it use "mark-to-market" accounting for illiquid assets like pipelines. This allowed them to book highly subjective, projected profits from long-term deals as immediate earnings, creating a facade of profitability that had no basis in actual cash flow.

During the 1980s bubble, Japanese firms engaged in "Zytec," using profits from financial speculation to boost reported earnings. This created a circular feedback loop: rising share prices increased their ability to raise cheap capital for more speculation, which in turn fueled share prices even higher, detaching them from operational reality.

A recurring theme in every historical market bubble is the belief that current events are unique, justifying inflated valuations and risky investments. Recognizing this narrative is a key behavioral signal for investors to exercise caution.

Incidents of alleged founder misconduct, like lying about metrics and mistreating staff, are not isolated events. They are symptoms of a market bubble where excess capital fuels arrogance and unprofessional behavior, serving as a key warning sign for the wider industry.

The fall of Valiant Pharmaceuticals illustrates that even sophisticated investors can be duped. A charismatic CEO's compelling story, combined with the powerful social proof of a rising stock price, creates a reinforcing narrative that can cause diligent investors to ignore clear warning signs.

Bubbles provide cover for fraudulent activities, as rising prices mask underlying problems. In cases like the South Sea Company and Railway Mania, it wasn't until after the collapse that the full extent of financial engineering, corruption, and deception came to light, by which point it was too late for most investors.

A 1994 law discouraging shareholder lawsuits created a sense of diminished risk for executives and accountants. This regulatory shift fostered a permissive climate where misleading financial reports and accounting fraud could flourish with fewer perceived legal consequences, directly contributing to the bubble.