Warren Buffett has recently shunned his favorite stock for the first time since 2018, and it could spell bad news for Wall Street

If you had invested $1,000 in the S&P 500 in 1965, it would be worth about $325,053 today. However, if you had invested $1,000 in shares of Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) at the same time, it would now be…