Regret and blame in Silicon Valley after bank run

The nearly overnight collapse of Silicon Valley Bank has left the US tech scene in shock, wondering how one of its most valued institutions could vanish so suddenly, shunned by the companies that used it most.

SVB, like many other niche banks around the world, was a highly specialized lender with specific idiosyncrasies -- and its one-track focus could have been its undoing.

"I am so angry. And sad and scared. Just remember, we did this collectively," tweeted Nicole Glaros, a startup entrepreneur.