The best finance tweets of 2015. (Photo: AP)

“The ephemerality of good tweets is a feature, not a bug,” Matt Levine tweeted in June. “It reminds us that life is fleeting and wit is worthless.”

The average tweet has about 15 minutes to be seen and shared before it gets buried under a stream of newer tweets, social media consultants say. But over the past year, a few of them stuck out.

Here, in chronological order, are some of our favorite tweets from 2015:

 In late February, Federal Reserve Board Chair Janet Yellen reported to Congress. Neither the left nor the right let her off easy, from Sen. Elizabeth Warren’s grilling on bank supervision to Republican calls for an audit of the Fed.

 

 

 

On April 17, most of Bloomberg’s global terminal network went down for two and a half hours due to an “internal network issue,” shaking traders worldwide.

 

 

 Janus manager Bill Gross called for shorting 10-year bunds. But when his fund subsequently fell 2.5% after he made the trade, he chalked up the loss to poor execution.

 

In late May, the financial world offered some words of wisdom for aspiring Wall Streeters.

 

 

 

On July 8, United Airlines, the New York Stock Exchange and the website of The Wall Street Journal all suffered temporary outages.

 

 

 

 

 

 — Related on ThinkAdvisor: