Palantir Technologies fell more than 8.3 per cent in premarket trading on Tuesday, as another strong quarterly update from the company failed to extend its record-breaking rally, setting it on track for its worst single-day loss since mid-August. The company, which has more than doubled in value this year, forecast fourth-quarter revenue above market expectations on Monday, driven by a rapid AI adoption boosting demand for its data analytics services. The company's stock has been riding on its