But the rocket company’s shares slid 12.5 per cent in early trading after executives flagged the spending spree underpinning its lofty ambitions was far from over. However, shares slipped 6.5 per cent, suggesting investors were looking for a stronger outlook to justify the stock’s 142 per cent jump this year. Most megacap stocks gained, with Microsoft and Alphabet up about 1.0 per cent each. Seven of the 11 S&P sectors were trading higher, with healthcare leading gains with a 1.9 per cent rise. Wednesday’s moves built on Wall Street’s rally spanning the past few sessions that took the benchmark S&P 500 and the blue-chip Dow to record highs as confidence in AI-related stocks flourished.