Last May’s error-ridden Facebook IPO was the result of a Nasdaq system failure — a millisecond blip that caused a 20-minute delay in trading, reports ft.com.

Now, the exchange operator is in talks with U.S. regulators over a potential settlement on the issue.

Read more.

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The “Facebook cliff”

Facebook IPO provides lessons for Canadians

Why did Facebook fail?

Shareholders sue Facebook, banks