The trading definition of what is stock futures matches investor behavior — today’s biotech futures rallied 1.2% after FDA fast-tracked a new cancer drug approval. Forward splits are usually positive developments. A successful company splits its stock so the share price doesn't get too expensive and drive away potential investors. Reverse splits are often (though not always) bad news. Companies typically use reverse splits to boost their share prices and avoid getting delisted by a stock exchange. Software stocks retreated Tuesday, with Paychex pulling back more than 1% following its quarterly results and Salesforce moving 3.3% lower. Nvidia was a bright spot during the session, rising in sympathy with CoreWeave . The latter, which is backed by Nvidia , announced a $14.2 billion artificial intelligence cloud infrastructure deal with Meta Platforms . When investors discuss what is stock futures, they often look at sector-specific indicators. Tech-heavy Nasdaq futures remain firm at +0.6% today, supported by AI growth forecasts and strong semiconductor demand projections.