I have issued a ticket at MtGox (http://support.mtgox.com/tickets/10612):
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Wolfgang Wagner, Aug-27 18:04 (JST):
Your tickerservers are sending wrong exchange rate.

Request on
https://mtgox.com/code/data/ticker.php
Reponse:
{"ticker":{"high":6.00774,"low":6.00774,"avg":6.00774,"vwap":6.00774,"vol":1,"last":6.10819,"buy":5.95921,"sell":6.10256}}
Request on
https://mtgox.com/api/0/data/ticker.php
Reponse:
{"ticker":{"high":6.00774,"low":6.00774,"avg":6.00774,"vwap":6.00774,"vol":1,"last":6.10819,"buy":5.95921,"sell":6.10256}}

The Graphic on your frontpage has issues too.

good luck on hunting bugs
wolf
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