Vaxart, Precipio, Gartner, Domtar and BioLineRX are five top stock gainers for Tuesday.

Gartner says it had an 'outstanding start to the year' as first-quarter results beat expectations.

Gartner beat analyst expectations for the third-quarter revenue and earnings and raised its full-year guidance.

Gartner slumps double digits after Q2 results miss analysts' forecasts and the research and advisory firm lowers its full-year outlook.

Gartner revenue expected to fall 1.3% to $961.7 million.

Viacom, BP and ADM among companies expected to report before the start of trading Tuesday.

Artificial intelligence, or AI, is the use of computer science programming to imitate human thought and action by analyzing data and surroundings, solving or anticipating problems and learning or self-teaching to adapt to a variety of tasks.

Schaeffer's came out with a list of 25 stocks that could struggle once the calendar flips next week.

Here are Monday's top research calls, including upgrades for Blueprint Medicine, Gartner and Rockwell Collins and a downgrade for Boeing.

Ford has recently cast a shadow over the auto industry.

Short sellers reversed course and sold $19 billion of shorts in September.

The parent company of Google and Youtube is preparing for a sharp deterioration in the health of the economy.