U.S. markets leaned toward modest gains before the opening bell Tuesday as technology and cryptocurrency companies recouped some of the previous day's losses.

Futures for the S&P 500 rose 0.2% while futures for the Dow Jones Industrial Average were flat. Nasdaq futures were up 0.3%.

Coinbase Global and Robinhood Markets each recovered some of Monday's losses as bitcoin stabilized overnight. Coinbase shares rose 1.5% in premarket, while Robinhood gained close to 1%. Both had fallen more than 4% a day earlier as bitcoin dipped below the $85,000 threshold.

Bitcoin rallied modestly early Tuesday to around $87,320.22, but that is a huge decline from $126,000 per coin demanded in early October.

Software and database platform company MongoDB surged more than 23% after it handily beat Wall S

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