Thursday's development on the New York Stock Exchange was mixed – with initial rises that ultimately landed on both sides of the zero line.
Chip giant Nvidia started the day with a 3 per cent rise, but turned and ultimately landed at minus 3.5 per cent. On Tuesday, Nvidia surpassed Microsoft as the world's highest-valued company – but has now dropped back to second place. Earlier in June, Nvidia became the third company to have a market capitalisation of at least 3,000 billion dollars.
Pharmaceutical company Gilead Sciences surged by 8.5 per cent after a positive report on the effectiveness of a medicine against HIV.
The Dow Jones industrial index rose 0.8 per cent, the broad S&P 500 index fell 0.3 per cent, and the technology-heavy Nasdaq composite index fell 0.8 per cent.
The New York Stock Exchange was closed on Wednesday.
The US purchasing managers' index is expected on Friday.
