FundStrat head of research Tom Lee pictured in 2017. The closely followed strategist has predicted a divided year for the S&P 500 in 2025.PHOTO: CINDY ORD/GETTY IMAGES FOR YAHOOFundstrat’s Tom Lee is no longer one of Wall Street’s biggest bulls. Why he’s cautious on 2025.Fundstrat’s Tom Lee, who has earned respect on Wall Street for some accurate S&P 500 index calls, has also been one of the stock market’s biggest bulls in recent years.But after two years of back-to-back 20%-plus gains for the index: $.SPX(.SPX)$ , $iShares Russell 2000 ETF(IWM)$ $Financial Select Sector SPDR Fund(XLF)$ $Bitcoin(BTC.USD.CC)$