It was 1965 when Warren Buffett became the CEO of the Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) investment company. Berkshire also has a record $325 billion in cash, which can be put to work whenever new opportunities arise.

The stock market has been thriving over the past two years, but there's still plenty of uncertainty among investors. If you're concerned about a potential market downturn, this timeless advice from Warren Buffett could help ease your concerns -- and set you up for financial success.

In a famous Arthur Conan Doyle story, “The Adventure of Silver Blaze,” Sherlock Holmes draws the attention of Scotland Yard’s Inspector Gregory to the “curious incident of the dog in the night-time.” Gregory,

Investors can often benefit from following the recent movements and decisions made by the biggest names in the market, especially if they can work through reverse engineering some of the reasoning behind these decisions.

Buffett first invested in Verisign ( VRSN -0.27%) in 2012, and at the time of this writing, the shares have gone on to increase by at least 325% since then. He continued to buy shares in 2013 and 2014, but it has been more than 10 years since he added to the position. Here's why he's coming back to Verisign now.