Twitter headquarters in San Francisco.
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Twitter Inc. shares were little changed in after-hours trading Thursday as the social-media platform experienced a massive and as-yet-unexplained outage.
Twitter’s feed went down around 5:30 p.m. Eastern, with users unable to post new tweets or see anything posted past that time. Service was restored for most users around 7 p.m. Eastern.
“We are continuing to monitor the issue, and things appear to have returned to normal,” Twitter said at 8:11 p.m. on its API website.
A company spokeswoman told MarketWatch, “We have no evidence of a security breach or hack, and we’re currently investigating internal causes.”
Tens of thousands of users reported problems to DownDetector.com.
The outage is the first major glitch to strike the platform since July, when hackers took over the accounts of a number of high-profile users. It also comes a day after Twitter became embroiled in controversy for blocking links to a questionable New York Post article about Hunter Biden, citing its hacked materials policy.
Twitter shares TWTR, +0.10% are up 44% year to date, compared to the S&P 500’s SPX, -0.15% nearly 8% gain this year.
MarketWatch’s Jon Swartz contributed to this report.
