Quote stop updating at eod when volume spikes up

Has anyone seen their stock quotes stall (completely stop!) the last two minutes or so of the day , during high volume ? Quotes come back after 4pm on their own

This never affects Futures. Never affects any other providers quotes that I run at the same time .
 
yes. Been happening quite a bit. I've only noticed it on spikes in activity. Other two data vendors are not affected. For me it often happens at 3:55 ish. The data can be behind or stop for 15-30 seconds but then it catches back up. Hopefully it is temporary.
 
yes. Been happening quite a bit. I've only noticed it on spikes in activity. Other two data vendors are not affected. For me it often happens at 3:55 ish. The data can be behind or stop for 15-30 seconds but then it catches back up. Hopefully it is temporary.
Who is the vendor?
 
Who is the vendor?

Nanex is the vendor that I’m certain is fine (this service charts “activity” and everything is time stamped). So it is easy to see

99% sure Thomson Reuters is also fine.
 
Nanex is the vendor that I’m certain is fine (this service charts “activity” and everything is time stamped). So it is easy to see

99% sure Thomson Reuters is also fine.

So which one is lagging?
 
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