Here's what it was like at the New York Stock Exchange the day Silicon Valley Bank collapsed, according to Wall Street's most famous trader

• Peter Tuchman has been at the New York Stock Exchange for almost 38 years and is the most-photographed trader on Wall Street.
• Stocks plunged last week on concerns of contagion from the collapse of Silicon Valley Bank.
• "We've never seen the volatility that we're seeing here. The intraday madness," Tuchman said.

On the morning of the largest bank failure since 2008, Peter Tuchman had four shots of espresso, two glasses of orange juice, and geared up for his day. 

Immediately, stocks were down that morning. The S&P 500 was having its worst week of the year. Markets were going haywire shortly after the opening bell.