Apple shares hit a new record of almost $681 a share in US trading overnight as investors continued to digest the fallout from a $1bn patent lawsuit.
Facebook shares fell 10% in after-hours trading after the company revealed a second quarter loss of $157m as revenue growth slowed.
Microsoft has reported a quarterly net loss of $492m, its first in 26 years as a public company, but it and Google helped ease concerns over the resilience of the tech sector as sales rose despite overall.
JO Hambro Capital Management is to launch a Global Opportunities fund as its UK Opportunities fund, run by the same managers, fast approaches its £1bn capacity limit.
Facebook shares fell another 8% on its third day of trading on the Nasdaq after the stock closed 11% lower on Monday.
Facebook became one of the 25 largest companies in the US overnight after pricing its initial public offering (IPO) at $38.
The long-awaited Facebook IPO will finally be priced tonight, ending months of speculation, but should investors be moving to back the technology giant?
Scott Thompson, CEO of computer firm Yahoo, has stepped down amid accusations a fake computer science degree was included on his CV.
Apple shares are set to hit $1,001 within a year, lifted by growth in China, according to a broker note from Topeka Capital Markets.
Technology giant Apple has announced it will return cash to shareholders for the first time since 1995, deploying some of its $98bn cash mountain, while also committing to a share buyback programme.