The TikTok generation is clashing with old-school Wall Street culture

Momo Takahashi for BI

• The "finest boys in finance" may have overstepped the rules of their storied industry.
• Their case is the extreme, but other young Wall Streeters said social media itself can feel like a gamble.
• Still, Wall Street is clear about its limits, and insiders said it's the price you pay for a foot in the door.

When four "finance boys" went viral last week for their Loro Piana- and Hermés-studded photo shoot, they violated more than the sacrosanct rule of not outdressing your boss.