Futures tied to the Dow Jones Industrial Average and S&P 500 were down 0.3% in recent trading, while those linked to the Nasdaq slipped 0.4%. The major indexes rose on Monday and Tuesday ahead of yesterday's Christmas break, a positive start to the Santa Clause rally that investors hope for, as the U.S. market rebounded from last week's downturn .

Some of the biggest winners were mega-cap tech stocks, with Tesla up by 6% while Broadcom, Netflix, and Amazon each gained about 2%.

Dow Jones futures, along with S&P 500 futures and Nasdaq 100 futures, were mixed ahead of Tuesday's stock market open.The price of bitcoin continued to slide Monday, closing under $94,000 for the first time since Nov.