This week marked 15 years since Bernie Madoff – declared ‘the monster of Wall Street’ by a harrowing Netflix documentary on his demise – pled guilty to masterminding the largest known Ponzi scheme in history, worth an eye-watering $65bn. Formerly one of the most revered and respected figures on Wall Street, the one-time chairman of the Nasdaq stock exchange was sentenced to 150 years in federal prison, eventually dying three years to the day on April 14, next month.

Few instant messaging apps have made the headlines as often as Telegram Messenger over recent months. The latest is that a Spanish court has u-turned on its move to temporarily suspend Telegram nationwide, after media firms complained of intellectual property rights violations.

An eye-catching story broke last week around the ongoing regulatory crackdown on instant messaging misconduct across the financial services industry. After several years of the Securities and Exchange Commission – among other regulators – imposing hefty fines on financial institutions for failing to preserve work texts sent by employees on messaging apps, it appears several large hedge funds and private equity firms are beginning to launch a sort of counteroffensive against the regulator.

If Nvidia’s unprecedented growth is anything to go by, the future looks more than bright for AI. Heralded as the ‘most important stock’ on planet Earth by Goldman Sachs’ trading desk, the chipmaker last week revealed stunning financial results that exceeded even the most optimistic expectations.