You could use a good college course in communications. IF you are going to make a statement about one source of information being wrong, then please show us a better one. In fact, show us more than just one so that you can corroborate your statement and make it believable. You do know of course that all Yahoo does is publish information provided to them by financial institutions and market analysts, right? For the most part, I have found them to be reliable although they do not always have the most up to the minute data.
Market Data 
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